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Topic: Leslie Robertson

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	LERA \| Leslie E. Robertson
		Robertson received the 1993 Mayor's Award for Excellence in Science and Technology for his structural design of the World Trade Center that withstood the 1993 terrorist bombing.
		Robertson received the Gengo Matsui Prize, the AIA Institute Honor and honorary membership with the AIA, New York; and was recognized as ENR's Construction ÔMan of the Year'.
		Robertson is currently working with I.M. Pei on the Museum for Islamic Art in Doha, Qatar, and the Macao Science Center in Macao, China.
	www.lera.com /robertson.htm (712 words)

	Leslie E. Robertson - Wikipedia, the free encyclopedia
		Robertson's engineering career began in 1952, when he graduated from the Berkeley school of civil engineering.
		Robertson and his business partner [John Skilling] were the original structural engineers for the Twin Towers.
		In the early 1960s, Roberston was a leader of a young group of structural engineers who specialized in imaginative, and daring, approaches to grand-scale construction.
	en.wikipedia.org /wiki/Leslie_Robertson (327 words)

	NOTE: This article is meant for the informational purposes to the design community and friends of Leslie Robertson
		Robertson expressed that at that time he was not overly concerned, figuring that a news helicopter had flown too close and struck the building.
		Robertson, it was the first building designed to withstand the load of an airplane crashing into it – a Boeing 707, the largest plane of the time.
		Robertson was applauded by this group of professionals for the successful performance of the building’s structure beyond that which would be reasonably expected for the day.
	www.engr.psu.edu /ae/WTC/LERPresentation.htm (885 words)

	Robertson, WTC Designer, Lectures on Center, Future (Site not responding. Last check: 2007-09-14)
		Robertson began his lecture by recognizing the skills and diligence of the people who worked with him on his projects all these years.
		Robertson and his team were able to construct the 110-story structure by developing mechanical damping units to reduce wind-induced swaying motion.
		Robertson continued his lecture by showing schematic diagrams and talking about the extensively detrimental effects of the jet fuel in the collapse of the towers after the 2001 terrorist attack.
	www-tech.mit.edu /V122/N61/61wtc.61n.html (694 words)

	Robertson, Leslie (Site not responding. Last check: 2007-09-14)
		LESLIE ROBERTSON: The buildings of the past had columns spaced roughly 30 feet on center in all directions.
		LESLIE ROBERTSON: The bombing I think created a lot of confidence in everyone's mind that the Trade Center was pretty sturdy.
		LESLIE ROBERTSON: Ground Zero is a very disturbing place for me. I mean I probably have more emotional attachment to it than maybe any other person now alive.
	www.lichtensteiger.de /WTCrobertson.html (310 words)

	Guardian \| A dream in ruins
		Leslie Robertson needs to catch up with his writing, a task that he would usually approach with enthusiasm.
		Robertson was asked: "Is there anything you wish you had done differently in the design of the building?" Instead of answering, he wept.
		Robertson counsels that there are no absolutes in his discipline, that we are not talking about a fine Swiss watch, that imperfect materials are employed to construct imperfect buildings, that each structure has its strengths and weaknesses.
	www.guardian.co.uk /print/0,,4340163-110340,00.html (1142 words)

	Herald & Review Newspaper Website - Decatur, Illinois - Central Illinois Newspaper Group (CING)
		Robertson, a retired colonel who held a series of leadership positions in the development and operation of early communications satellites, is not one to blow his own horn.
		Robertson's military career spanned 31 years, serving in the Air Force - as it was named in 1947 - during World War II and the Korean and Vietnam wars.
		While Robertson's group controlled the movements of satellites - such as the ones that led to the Cuban missile crisis during the Cold War - he was not directly involved with processing intelligence data at that time.
	www.herald-review.com /articles/2005/12/18/news/local_news/1011947.txt (1157 words)

	BBC - Science & Nature - Horizon - The Fall of the World Trade Center - Transcript
		LESLIE ROBERTSON: The buildings of the past had columns spaces roughly 30ft on centre in all directions and the issue with that is, worked very well but it has columns and space that you would like to rent.
		LESLIE ROBERTSON: With the 707, to the best of my knowledge, the fuel load was not considered in the design and indeed I don't know how it could have been considered.
		LESLIE ROBERTSON: The people above, obviously they were suffering terribly, the people who elected to take their own destiny in their hands by jumping, I mean it must have been incredibly awful place above the impact.
	www.bbc.co.uk /science/horizon/2001/worldtradecentertrans.shtml (5105 words)

	National Building Museum - Blueprints Magazine Summer 2002
		Above: Leslie Robertson with Bank of China tower under construction in Hong Kong.The project was the result of a uniquely collaborative relationship between the engineers and the architects.
		Structural engineer Leslie E. Robertson, PE, F.ASCE, NAE -- internationally respected for his design of hundreds of skyscrapers and other structures around the world, including the World Trade Center -- was the first recipient of the Museum's newly established Henry C. Turner Prize for Innovation in Construction Technology.
		Robertson was the unanimous choice of the prize jury because of his path-breaking work in structural systems and wind engineering over a career of five decades.
	www.nbm.org /blueprints/00s/summer02/page11/page11.htm (266 words)

	Leslie Robertson (Site not responding. Last check: 2007-09-14)
		He has received the Gengo Matsui Prize and the AIA Institute Honor, was recognized as ENR's Construction 'Man of the Year', is a member of the National Academy of Engineering and is licensed as a First Class Architect (Japan).
		Robertson was recently named one of Engineering News Record's "125 Top People of the Past 125 Years".
		Robertson holds a Bachelor of Science Degree from the University of California at Berkeley.
	www-g.eng.cam.ac.uk /IABSE/2001/lr.html (168 words)

	The New Yorker: Fact (Site not responding. Last check: 2007-09-14)
		Leslie Robertson was born in California in 1928.
		Robertson told me he was glad that the efforts were going on, but he doubted whether we would ever understand the mechanics of failure precisely.
		Robertson said that he and his wife went out to one of the scrap yards in New Jersey where some of the steel is being held, to inspect a piece that one investigator thought had an airplane part attached to it.
	www.newyorker.com /fact/content/articles/011119fa_FACT (6602 words)

	Leslie Robertson
		Although this is generally attributed to Leslie Robertson, it’s not at all clear that he ever said these words.
		The quote actually comes from an article by James M Williams, recounting a keynote address that was delivered by Robertson, so it’s at best a second-hand interpretation of what he said.
		Robertson says he didn’t use the “molten steel” quote, then, and Williams notes don’t disprove this.
	911myths.com /html/leslie_robertson.html (424 words)

	Clan Birrell
		LESLIE is a ‘Weaver’s Town’ with the Church on The Green, being of special interest.
		CENSUS 1861 at 77 NEW COTTAGES LESLIE, Fifeshire.
		Elspeth Birrell was a dau/of Henry (1) and Mary (Robertson) Birrell.
	www.electricscotland.com /webclans/atoc/birrell2.html (9544 words)

	The Daily Princetonian - Robertson recounts role engineering Twin Towers
		World-renowned structural engineer Leslie Robertson, chief engineer of the original World Trade Center in New York, spoke Wednesday about his design of the Twin Towers and said he had designed the buildings with an airplane impact in mind.
		Robertson, who also served as chief engineer for the Bank of China building in Hong Kong, the Rock-and-Roll Hall of Fame and Robertson Hall of the Wilson School, spoke Wednesday in a broad discussion on topics ranging from pacifist politics of the 1960s to how to build a tall building.
		Robertson was invited to come to campus by the American Whig-Cliosophic Society as part of its speakers program.
	www.dailyprincetonian.com /archives/2005/09/29/news/13249.shtml (549 words)

	04.17.2002 - World Trade Center remembered
		Robertson worked for the firm selected in 1963 to oversee structural aspects of the construction of the World Trade Center.
		Robertson also tested models of the towers in a wind tunnel to see how they would perform and conducted the first studies of human sensitivity to building motion by observing the reactions of people in motion simulators.
		Overcome by emotion, Robertson was silent as he showed haunting, now-familiar images taken in the aftermath of that terrible event.
	www.berkeley.edu /news/berkeleyan/2002/04/17_alum.html (844 words)

	Annapolis MD and Anne Arundel county events by What's up Magazine, covers sports, entertainment, dining, music and more
		Robertson is one of the 18,000 members of the Embroiderer's Guild of America, an organization open to stitchers of all levels.
		Specifically, Robertson is a member of the Constellation Chapter, one of the 345 EGA chapters in the United States and Canada.
		"Leslie goes after some of the best teachers both nationally and internationally and brings them here to teach in our area." Since the membership has wide interests in needle art, the chapter also provides a large range of classes on a number of different topics.
	www.whatsupmag.com /dec04/embroidery.shtml (910 words)

	Lecture 4/11/05: Structural Engineering - A Challenge
		Robertson is currently working with I.M. Pei and the Pei Partnership on the Museum for Islamic Art in Doha, Qatar, the Suzhou Museum in Suzhou, China, and the Macao Science Center in Macao, China.
		Robertson began his engineering career in 1952, leading to the eventual name change for the firm to Leslie E. Robertson Associates, R.L.L.P., with the guiding principle of providing an imaginative and responsible approach to engineering problems.
		Robertson is a Fellow of the Institution of Structural Engineers (IStructE), having been selected as the IStructE's 2004 recipient of the Institution of Structural Engineers Gold Medal.
	www.arch.uiuc.edu /events/lectures/sp2005/04_11_05 (712 words)

	Berkeley Engineering - Forefront
		Robertson remains deeply affected by the responsibility he feels for the towers’ collapse.
		Robertson took the audience on a visual journey through the birth of the World Trade Center.
		Robertson praised the Port Authority of New York and New Jersey as the "best client an engineer could ask for," while showing archival photos of the construction process and recounting how a helicopter accidentally dropped a floor panel into the Hudson River.
	www.coe.berkeley.edu /forefront/fall02/towers.html (597 words)

	NOVA \| Transcripts \| Why the Towers Fell \| PBS
		LESLIE ROBERTSON: We had designed the project for the impact of the largest airplane of its time, the Boeing 707, that is, to take this jet airplane, run it into the building, destroy a lot of structure and still have it stand up.
		LESLIE ROBERTSON: With the 707, to the best of my knowledge, the fuel load was not considered in the design.
		LESLIE ROBERTSON: The people above...obviously they were suffering terribly, the people who elected to take their own destiny in their hands by jumping...I mean, it must have been an incredibly awful place above the impact.
	www.pbs.org /wgbh/nova/transcripts/2907_wtc.html (6158 words)

	Steve Jones and Leslie Robertson \| 911Blogger.com
		Steven Jones was on KGNU radio in Denver this morning with Leslie Robertson, one of the structural engineers who designed the Twin Towers.
		Robertson seemed to doubt that there was really molten metal under the Twin Towers after the collapse.
		Robertson said that once the buildings began to collapse, they would have necessarily collapsed all the way down.
	911blogger.com /node/4076 (2471 words)

	NYC24 - Issue 4, 2000 (Site not responding. Last check: 2007-09-14)
		Structural engineer, Leslie Robertson, diagrams wind flow, a force he says is peskier than an earthquake for building designers.
		Speaking from the conference room of his third floor office at 211 East 46th Street, Robertson says that buildings can be tipped several inches by wind — called a "wind load" by engineers — and then oscillate five times that amount, swaying like a pin that has been grazed by a bowling ball.
		Robertson says that the World Trade Center was the first ever skyscraper to be constructed using this type of "rational wind engineering." Prior to that, buildings were tested autonomously in aeronautical wind tunnels without other models, and as a result, did not predict wind effects accurately.
	nyc24.jrn.columbia.edu /2000/issue08/story01/page2.html (586 words)

	World Trade Center's engineer of record to hold special seminar on the design and demise of the WTC: 3/02 (Site not responding. Last check: 2007-09-14)
		Leslie E. Robertson, engineer of record for the structural design of New York's World Trade Center, will present a special seminar on the evolution and tragic destruction of the WTC at 4:15 p.m.
		Robertson has been responsible for the structural design of hundreds of buildings around the world, including the United States Steel Headquarters in Pittsburgh, the Bank of China Tower in Hong Kong, Puerta de Europa Towers in Madrid as well as museums in Germany, the United States and Japan.
		Founder of the New York City-based Leslie E. Robertson Associates and a member of the National Academy of Engineering, Robertson is recipient of numerous architectural and engineering awards.
	www.stanford.edu /group/news/pr/02/worldtradecenter43.html (293 words)

	UniversityofMinesota
		Robertson began his engineering career in 1952, leading to the establishment of Leslie E. Robertson Associates, R.L.L.P.
		Robertson has earned numerous awards and honors as well as served on the board of several cultural and engineering organizations including New York City¡¯s Skyscraper Museum.
		Robertson¡¯s vision extends beyond the boundaries of his profession to include the aesthetic, economic and functional needs of society, the enhancement of the quality of urban life and deep concern for the educational development of young people.
	www.tc.umn.edu /~eeriumn/leslie.htm (878 words)

	Leslie E. Robertson -- Chief Engineer of the World Trade Center in New York
		His firm, Leslie E. Robertson Associates - which helped repair the structural damage caused by the February 1993 bombing - is located in lower Manhattan overlooking Ground Zero.
		Robertson began his engineering career in 1952, leading to the establishing of Leslie E. Robertson Associates, R.L.L.P. (LERA) - with the guiding principle of providing an imaginative and responsible approach to engineering problems.
		Robertson has earned numerous awards and honors as well as served on the board of several cultural and engineering organizations, including the Skyscraper Museum and Council on Tall Buildings and Urban Habitat.
	www.emporis.com /en/bu/sk/wt/cp/if/ro (496 words)

	Leslie Robertson
		Although this is generally attributed to Leslie Robertson, it’s not at all clear that he ever said these words.
		The quote actually comes from an article by James M Williams, recounting a keynote address that was delivered by Robertson, so it’s at best a second-hand interpretation of what he said.
		Robertson says he didn’t use the “molten steel” quote, then, and Williams notes don’t disprove this.
	www.911myths.com /html/leslie_robertson.html (427 words)

	Engineering News
		A 1952 Berkeley CE graduate, Robertson and his then-partner John Skilling were the original structural engineers for the Twin Towers.
		Robertson showed archival photos of the construction process, recounting how a helicopter accidentally dropped a floor panel into the bay.
		Taking questions from the audience, Robertson recounted his fear that Robertson and Associates would lose its commission to build the Shanghai World Financial Center: “That’s it, the building has collapsed — let’s get a new engineer.” But the client opted to retain both Robertson’s firm and the original design.
	www.coe.berkeley.edu /EPA/EngNews/02S/EN13S/robertson.html (663 words)

	Fifth Generation (Site not responding. Last check: 2007-09-14)
		John Robertson was born in 1908 in Tabusintac, Northumberland Co, NB.
		Clemont Robertson was born in 1919 in Tabusintac, Northumberland Co, NB.
		Clarence Robertson was born in 1923 in Tabusintac, Northumberland Co, NB.
	www.members.tripod.com /~aowen/Strang/b19317.htm (204 words)

	Fourth Generation (Site not responding. Last check: 2007-09-14)
		Bertha Robertson was born on 15 Aug 1877 in Tabusintac, Northumberland Co, NB.
		Bertha Robertson and Leslie Graham were married on 3 Sep 1910 in Anson,, ME.
		Leslie Graham (son of Abslam Graham and Ida M Wright) was born about 1880 in Danforth,, ME.
	members.tripod.com /~aowen/Strang/b20126.htm (82 words)

	Leslie Robertson
		Leslie Robertson was a participant or observer in the following events:
		Robertson conducted a study in late 1964, to calculate the effect of a 707 weighing 263,000 pounds and traveling at 180 mph crashing into one of the towers.
		Leslie Robertson, the structural engineer responsible for the design of the WTC, describes fires still burning and molten steel still running 21 days after the attacks.
	www.cooperativeresearch.org /entity.jsp?entity=leslie_robertson (1109 words)

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