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	Luis and Walter Alvarez
		Luis (1911-1988) and Walter Alvarez (1940-) were a father and son team who publicized that a layer of iridium (a rare element that mostly comes from asteroids) rich clay, had been found worldwide at rocks marking the ending of the Cretaceous period (the K-T boundary).
		Previously, Luis Alvarez had won a Nobel Prize (1968) for his other work on subatomic physics.
		Walter Alvarez, a geologist at the University of California at Berkeley, and one of the four scientists who present this theory on the mystery, tells the story in a clear narrative that contains a wealth of scientific material.
	www.dinosaurjungle.com /dinosaur_scientist_alvarez.php (356 words)

	Walter Alvarez - Wikipedia, the free encyclopedia
		Walter Alvarez (born 1940), son of Nobel Prize winning physicist Luis Alvarez, is a professor in the Earth and Planetary Science department at the University of California, Berkeley.
		Alvarez then moved to Lamont-Doherty Geological Observatory of Columbia University, and began studing of Mediterranean tectonics in the light of the new theory of plate tectonics.
		Alvarez and his father Luis Alvarez are most widely known for their discovery (with Frank Asaro and Helen Michel) that a clay layer occurring right at the Cretaceous-Tertiary (K-T) boundary was highly enriched in the element iridium.
	en.wikipedia.org /wiki/Walter_Alvarez (472 words)

	Luis Alvarez - Wikipedia, the free encyclopedia
		He is the son of famed physician Walter C. Alvarez and grandson of Luis F. Alvarez, who worked as a doctor in Hawaii and developed a method for the better diagnosis of macular leprosy.
		Alvarez won the 1968 Nobel Prize in Physics for "the discovery of a large number of resonance states, made possible through his development of the technique of using hydrogen bubble chamber and data analysis".
		In 1980, with his son Walter Alvarez, a geologist, Luis proposed the asteroid-impact theory to explain the iridium anomaly of the K-T extinction boundary, the observed increased abundance of iridium in strata of that time.
	en.wikipedia.org /wiki/Luis_Walter_Alvarez (465 words)

	Walter C. Alvarez - Wikipedia, the free encyclopedia
		Alvarez was married to the former Harriet Skidmore Smythe and the couple had four chidren: Gladys, Robert, Bernice Alvarez Brownson; and Luis Alvarez, who would later become a Nobel Prize-winning physicist.
		The Walter C. Alvarez Memorial Award is named in his honor and is presented to a member or nonmember of AMWA to honor excellence in communicating health care developments and concepts to the public.
		Alvarez' syndrome, a syndrome of hysterical or neurotic abdominal bloating without any excess of gas in the digestive tract, and Alvarez-waves, painless uterine contractions occurring during the length of pregnancy, are named after him.
	en.wikipedia.org /wiki/Walter_C._Alvarez (539 words)

	BookRags: Luis Walter Alvarez Biography
		Alvarez was born in San Francisco, California, on June 13, 1911.
		Alvarez and his colleagues were at the forefront of this research.
		Alvarez and his son suggested that the iridium came from a giant meteorite that collided with the Earth 65 million years ago.
	www.bookrags.com /biography/luis-walter-alvarez-woi (420 words)

	Mabel Alvarez Estate Collection - Glenn Bassett Essay
		Dr. Luis Alvarez, Walter's son, long associated with the University of California, Berkeley, was a member of the Manhattan Project and later a senior member of the team of atomic scientists at the Lawrence Livermore Laboratory.
		Alvarez became friendly with Queen Liliuokalani and her yankee husband, John Owen Dominis, and Dr. Alvarez served as physician to the Queen.
		Alvarez devoted the remainder of his life (he worked almost until the day he died in 1937), to the practice of medicine, with little regard for fees, among the poor predominantly Mexican population of Los Angeles.
	www.mabelalvarez.com /about/bassett.htm (4760 words)

	Invent Now \| Hall of Fame \| Search \| Inventor Profile
		Born in San Francisco, Alvarez graduated from the University of Chicago with a B.S. in 1932 and a Ph.D. (physics) in 1936.
		He was an assistant physics instructor from 1936 to 1938; an associate professor from 1938 to 1945; associate director of the Lawrence Berkeley Laboratory from 1954 to 1959; and a professor of physics at the University of California, Berkeley, in 1945.
		Alvarez was a member of the President's Science Advisory Committee from 1971 to 1972.
	www.invent.org /hall_of_fame/4.html (157 words)

	BookRags: Luis Alvarez Biography
		Alvarez reported in his autobiography Alvarez: Adventures of a Physicist, that his science classes at Rochester High School were "adequately taught [but] not very interesting." Dr. Alvarez noticed his son's growing interest in physics and hired one of the Mayo Clinic's machinists to give Luis private lessons on weekends.
		Alvarez "discovered" physics in his junior year and enrolled in a laboratory course, "Advanced Experimental Physics: Light" about which he later wrote in his autobiography: "It was love at first sight." He changed his major to physics and received his B.S. in 1932.
		Alvarez became one of a small number of scientists who felt strongly that the United States should continue its nuclear weapons development after the war and develop a fusion (hydrogen) bomb as soon as possible.
	www.bookrags.com /biography/luis-alvarez-wop (1892 words)

	IEEE History- Alvarez
		Luis Walter Alvarez was born on 13 June 1911 in San Francisco.
		Alvarez’s family moved to Rochester, Minnesota while he was in high school; there he first heard of physics, and his father suggested a career in the area.
		Alvarez came up with an unmatchable counter-counter-measure: the VIXEN system, which minimized radar pulse power after initial submarine detection, according to a set mathematical ratio, so as to disguise from the submarines the plane’s approach.
	www.ieee.org /organizations/rab/gold/alvarez.html (819 words)

	A Science Odyssey: People and Discoveries: Luis Alvarez
		Alvarez's colleagues sometimes called him the "prize wild idea man" because of the huge range of his activities.
		Alvarez was shocked and sickened by what he saw, but because the war ended so soon afterwards, he never expressed doubts about the bomb's use.
		Alvarez's other claims to fame are in assisting the Warren Commission that investigated the assasination of President Kennedy and holding 22 patents, including an indoor golf-training machine he developed for President Eisenhower.
	www.pbs.org /wgbh/aso/databank/entries/boalva.html (330 words)

	HighBeam Encyclopedia â“ Free Online Encyclopedia for Reference, Research, Facts
		ALVAREZ, LUIS WALTER [Alvarez, Luis Walter] 1911-88, American physicist, b.
		He also helped develop the ground-control approach system for aircraft in the 1940s and played an important part in the Manhattan Project, where he suggested the technique for detonating the implosion type of atomic bomb.
		Berkeley, Calif.; and others proposed that unusually high levels of iridium at the boundary between Cretaceous and Tertiary rocks indicated a major meteor impact with the earth about 65 million years ago and that this might be the cause of the mass extinction of the dinosaurs.
	www.encyclopedia.com /printable.aspx?id=1E1:AlvarezLu (198 words)

	MEMORIAL TRIBUTE FOR LUIS W. ALVAREZ
		Luis Alvarez was a consultant over the years to numerous agencies of the United States government and was a member of the President's Science Advisory Committee in 1973.
		Alvarez was perpetually surprised to find individuals who do not challenge their own results, and who can reject even the strongest contrary evidence.
		In Alvarez's long and broad history, it is striking to observe how some of his best and most practical ideas were only very much later brought to fruition by his own efforts, despite his early patents which would have been available to profit-minded industry at relatively low cost.
	www.fas.org /rlg/alvarez.htm (2276 words)

	Luis Alvarez - Biography
		Dr. Alvarez joined the Radiation Laboratory of the University of California, where he is now a professor, as a research fellow in 1936.
		He was on leave at the Radiation Laboratory of the Massachusetts Institute of Technology from 1940 to 1943, at the Metallurgical Laboratory of the University of Chicago in 1943-1944, and at the Los Alamos Laboratory of the Manhattan District from 1944 to 1945.
		Dr. Alvarez is responsible for the design and construction of the Berkeley 40-foot proton linear accelerator, which was completed in 1947.
	nobelprize.org /nobel_prizes/physics/laureates/1968/alvarez-bio.html (704 words)

	SJSU Virtual Museum (Site not responding. Last check: )
		Alvarez's first scientific discovery was the phenomenon of orbital electron capture.
		Among other things, Alvarez is credited with the development of the microwave beacon, the linear radar antennae, and ground-controlled radar landing approaches for aircraft.
		After the war ended, Alvarez worked with others to construct the first linear accelerator for protons (1947) and the bubble chamber for observing electrically charged subatomic particles.
	www.sjsu.edu /depts/Museum/alv.html (244 words)

	"T. Rex and the Crater of Doom" by Walter Alvarez (Site not responding. Last check: )
		In this breezy, brief book (185 pages), Walter Alvarez, a professor of geology at the University of California at Berkeley, explains how the theory of death from outer space evolved, how scientists found the evidence to support it and the controversies surrounding it.
		But Alvarez is generous in the credit he gives to others -- the cast of characters in the book numbers more than a dozen.
		One obvious challenge for Alvarez and his allies was to explain what happened to the enormous crater -- 150 to 200 kilometers wide -- that would have been created by such a big rock.
	www.chron.com /cgi-bin/auth/story/content/chronicle/features/books/97/07/27/alvarez.html (1199 words)

	Walter Alvarez (Site not responding. Last check: )
		Walter Alvarez was born in Berkeley, California, in 1940.
		Dr. Alvarez is currently a professor at the University of California, Berkeley.
		Alvarez and his team, which included his father Dr. Luis Alvarez, Frank Asaro, and Helen Michel, proposed that an asteroid hit the earth, throwing up a dust layer that encircled the earth and lead to the extinction of the dinosaurs.
	www.csupomona.edu /~ceemast/original/nova/alvarez2.html (449 words)

	Proclamation (Site not responding. Last check: )
		Alvarez is a geologist who considers himself an earth historian who reads the history of our planet recorded in rocks; and
		Alvarez’s research interests include stratigraphy and earth history, focusing on comet and asteroid impacts and their role in causing mass extinctions and influencing the course of evolution of life; and
		Alvarez’s has studied the history of the earth for many years as he has traveled the globe researching earth formations in foreign countries as well as here in the United States; and
	gov.state.nv.us /PROCLAMATIONS/2006/2006-03-09DrWalterAlvarez.htm (218 words)

	Luis Walter Alvarez — FactMonster.com
		Alvarez was awarded the Nobel Prize for Physics in 1968.
		He helped design a ground-controlled radar system for aircraft landings and with his son developed the meteorite theory of dinosaur extinction.
		Luis Walter Alvarez - Alvarez, Luis Walter Alvarez, Luis Walter, 1911–88, American physicist, b.
	www.factmonster.com /ipka/A0767078.html (137 words)

	Geotimes - October 2002 - Society Page
		The geologist is Walter Alvarez — most famous for work done with his late father, Louis, on the impact event at the Cretaceous-Tertiary boundary that killed the dinosaurs.
		Alvarez knew the Pazzaglia family in town, but didn’t realize one of their relatives was a geologist in the United States.
		“Walter immediately puts you at ease.” Indeed, whether talking to local residents and shopkeepers in the hills of Italy or discussing the philosophy of geology with graduate and undergraduate students at U.C. Berkeley, Alvarez continues to bring people with diverse backgrounds together to tackle questions in the earth sciences.
	www.agiweb.org /geotimes/oct02/society.html (1655 words)

	ScienceMatters @ Berkeley. Luis Alvarez, adventurer physicist
		Indeed, Alvarez flew in the plane trailing the aircraft that dropped the atomic bombs on Hiroshima and Nagasaki.
		Alvarez improved upon Glaser's instrument and used it to discover a large number of resonance states, subatomic particles that can't be directly detected because they live for so short a time.
		In 1980, he and his son Walter Alvarez, a UC Berkeley geologist, first posited the now widely-accepted theory that a giant asteroid crashed into the Earth 65 million years ago, spewing smoke in the atmosphere that blocked the sun, eventually leading to the death of the dinosaurs.
	sciencematters.berkeley.edu /archives/volume2/issue15/legacy.php (532 words)

	Luis Walter Alvarez - Picture - MSN Encarta
		Luis Walter Alvarez - Picture - MSN Encarta
		American scientist Luis Walter Alvarez won the 1968 Nobel Prize in physics.
		Alvarez developed the liquid hydrogen bubble-chamber, which he used to find atomic particles.
	encarta.msn.com /media_461529570/Luis_Walter_Alvarez.html (33 words)

	Alvarez Luis Walter - Search Results - MSN Encarta
		Alvarez Luis Walter - Search Results - MSN Encarta
		Alvarez, Luis Walter (1911-1988), American scientist, born in San Francisco, California, and educated at the University of Chicago.
		Alvarez, Luis (quotations): Physics: There is no democracy in physics.
	uk.encarta.msn.com /Alvarez_Luis_Walter.html (114 words)

	Untitled Document
		In his recent autobiographical history, T. rex and the Crater of doom, geophysicist Walter Alvarez tells a Kuhnian story of how the anomalous discovery of an irridium spike in a layer of 60 million-year-old Italian clay led to one of the most exciting discoveries of this century, the cause of the extinction of the dinosaurs.
		Indeed, Alvarez credits his father, Luis Alvarez, and his Berkeley research team with inaugurating a new paradigm of earth science study, an indisciplinary field that we may call impact paleontology.
		The fact that the Alvarez theory has caught the public imagination is not an accident, for it was already part of the public imaginary.
	www.cmu.edu /coldwar/davis.htm (450 words)

	Gale - Free Resources - Hispanic Heritage - Biographies - Luis Alvarez (Site not responding. Last check: )
		Alvarez stayed at Chicago for his graduate work and his assigned advisor was Nobel Laureate Arthur Compton, whom Alvarez considered " the ideal graduate advisor for me" because he visited Alvarez's laboratory only once during his graduate career and "usually had no idea how I was spending my time."
		Alvarez and a student, Jake Wiens, also developed a mercury vapor lamp consisting of the artificial isotope mercury - 198.
		Alvarez flew in the B - 29 bomber that observed the first test of an atomic device at Alamogordo, south of Los Alamos.
	www.gale.com /free_resources/chh/bio/alvarez_l.htm (2280 words)

	STEM Camp '98: Luis Walter Alvarez (Site not responding. Last check: )
		Luis Walter Alvarez was born on June 13th, 1911 in San Francisco.
		Alvarez joined the faculty of Berkeley in 1936, and became a professor of physics in 1945.
		Alvarez was one of the most distinguished and respected physicists of his time.
	cctr.umkc.edu /~HAMP/98_essays/alvarez.htm (380 words)

	Amazon.com: T. Rex and the Crater of Doom (Vintage): Books: Walter Alvarez (Site not responding. Last check: )
		Walter Alvarez, a geologist at the University of California at Berkeley, and one of the four scientists who present this theory on the mystery, tells the story in a clear narrative that contains a wealth of scientific material.
		When Nobel prize-winning physicist Louis Alvarez and his geophysicist son Walter announced that they had discovered evidence of a giant meteor that slammed into Earth 65 million years ago, causing the extinction of the dinosaurs, they were met with much fanfare from the popular press and skepticism from the scientific community.
		The Alvarezes were vindicated in 1991 when a huge impact crater was discovered on the Yucatan Peninsula, and the possible connection with dinosaur extinction is becoming more widely accepted.
	www.amazon.com /exec/obidos/tg/detail/-/0375702105?v=glance (2392 words)

	Dino Land Paleontology Interviews: Dr. Walter Alvarez
		As most paleontology and geology buffs know, this debate unofficially began during the mid-1970's when a young geologist named Walter Alvarez began to study a limestone outcrop near Gubbio, a small Medieval town in the Italian Apennines.
		It was at that outcrop where Alvarez first noted the abrupt disappearance of forams at the K-T boundary, and became intrigued at the speed and results of their extinction.
		This led the Alvarez team to hypothesize that the extinction of the dinosaurs was caused by the collision of a comet or asteroid with earth.
	www.geocities.com /stegob/walteralvarez.html (2367 words)

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