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Topic: Ferdinand Cohn


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In the News (Thu 16 Feb 12)

  
  Ferdinand Cohn Biography | Encyclopedia of World Biography
Considered to be the father of modern bacteriology, Ferdinand Cohn (1828-1898) began his studies as a botanist and ultimately made discoveries which led to the creation of a new field of study.
Cohn was the director of the institute from the time it opened in 1869 until his death.
Cohn believed that these bodies represented a stage in the life cycle of the bacilli and suggested that they were "real spores, from which new Bacilli may develop." Since it was known that spores survived high temperature, he concluded that these must also be spores that survived the boiling and then germinated to form bacteria.
www.bookrags.com /biography/ferdinand-cohn   (1537 words)

  
  Ferdinand Julius Cohn - LoveToKnow 1911
FERDINAND JULIUS COHN (1828-1898), German botanist, was born on the 24th of January 1828 at Breslau.
When it is remembered that Cohn brought out and helped R. Koch in publishing his celebrated paper on Anthrax (1876), the first clearly worked out case of a bacterial disease, the significance of his influence on bacteriology becomes apparent.
Cohn had also clear perceptions of the important bearings of Mycology and Bacteriology in infective diseases, as shown by his studies in insect-killing fungi, microscopic analysis of water, andc.
www.1911encyclopedia.org /Ferdinand_Julius_Cohn   (454 words)

  
 Cohn, Ferdinand Julius (1828-1898): World of Microbiology and Immunology
Ferdinand Cohn, a founder of modern microbiology, became the first to recognize and study bacteriology as a separate science.
Additionally, Cohn recognized that both pathogens and nonpathogens could be found in drinking water and spoke of the importance of analyzing drinking water.
Cohn initially began his studies in botany at the University of Breslau in 1844.
science.enotes.com /microbiology-encyclopedia/cohn-ferdinand-julius   (166 words)

  
 ASM News Vol 65, Num 8, August 1999, Ferdinand Cohn, a Founder of Modern Microbiology
Ferdinand's father, Isaak Cohn, was known for his high intelligence, a strong interest in various cultural areas, and liberal views on politics.
Cohn proposed that the cuticula is instead a separate layer upon the epidermis.
In 1875 Cohn began and edited a comprehensive study of the flora of cryptogamae (lower plants, ferns, mosses, algae, characeae, and fungi) in Silesia, the results of which were subsequently compiled into three volumes, published in 1878, 1889, and 1908.
www.asm.org /Articles/Ferdinand.html   (2691 words)

  
 Ferdinand Cohn - Wikipedia, the free encyclopedia
Ferdinand Julius Cohn (January 24, 1828 Breslau, Silesia, Prussia (now Wrocław, Poland) - June 25, 1898 Breslau) was a biologist.
He received a degree in Botany in 1847 at the age of nineteen.
Cohn was the first to classify bacteria as plants.
en.wikipedia.org /wiki/Ferdinand_Cohn   (162 words)

  
 JewishEncyclopedia.com - COHN, FERDINAND JULIUS:   (Site not responding. Last check: 2007-11-05)
Cohn studied at the gymnasium and University of Breslau, and obtained his Ph.D. degree in 1847 at Berlin.
In 1888, upon the opening of the Botanical Institute, which was built mainly through his untiring endeavors, he received the title of "Geheimer Regierungsrath." On the occasion of his seventieth birthday he was presented with the honorary freedom of the city of Breslau.
Cohn was also the founder and (from 1875 to his death) the editor of the "Beiträge zur Biologie der Pflanzen."
www.jewishencyclopedia.com /view.jsp?artid=641&letter=C   (290 words)

  
 Ferdinand Cohn Summary
Ferdinand Cohn, a founder of modern microbiology, became the first to recognize and study bacteriology as a separate science.
Ferdinand Julius Cohn (1828-1898) is recognized as one of the founders of modern bacteriology.
Cohn was a precocious child who learned to read by the age of two and began to study natural history at the age of four.
www.bookrags.com /Ferdinand_Cohn   (5198 words)

  
 FERDINAND JULIUS COHN ... - Online Information article about FERDINAND JULIUS COHN ...
Cohn had already displayed that activity in various departments which made him so famous as an all-See also:
bacteriology that Cohn's most striking claims to recognition will be established.
When it is remembered that Cohn brought out and helped R.
encyclopedia.jrank.org /CLI_COM/COHN_FERDINAND_JULIUS_1828_1898.html   (1284 words)

  
 Cohn Ferdinand Julius
Ferdinand Cohn -- Encyclopædia Britannica - Cohn, Ferdinand (Julius) German naturalist and botanist known for his studies of algae, bacteria, and fungi.
He is considered one of the founders of...; Ferdinand Cohn, a Founder of...
Cohn, Ferdinand Julius - Onmeda: Medizin und Gesundheit.
xoomer.virgilio.it /bzapohuisa/images06/jfuwonenq   (378 words)

  
 Discovery Timeline
Ferdinand J. Cohn contributes to the founding of the science of bacteriology.
His work on anthrax was presented and his papers on the subject were published under the auspices of Ferdinand Cohn.
Joseph Lister publishes his study of lactic fermentation of milk, demonstrating the specific cause of milk souring.
www.microbeworld.org /microbes/timeline1.aspx   (419 words)

  
 Ferdinand Cohn - Sterling Memorial Library - Cycle of Life Exhibit
In his popular essay the bacteriologist, Ferdinand Cohn (1828-1898) described the arrangement of nature as a “cycle of life” in which, “the body in which life has been extinguished succumbs to dissolution, in order that its material may become again serviceable to new life.
If the amount of material which can be moulded into living beings is limited on the earth, the same particles of material must ever be converted from dead into living bodies in an eternal circle; if the wandering of the soul be a myth, the wandering of matter is a scientific fact.
The Sterling Memorial Exhibit is located in the Overflow Case to the left of the circulation desk.
www.cycle-of-life.net /sterling_cohn.html   (183 words)

  
 Robert Koch
Ferdinand Cohn announced Koch's anthrax life cycle that was discovered in 1876.
I regard it as the greatest discovery ever made with bacteria and I believe that this is not the last time that this young Robert Koch will surprise and shame us by the brilliance of his investigations." Cohn was correct.
When one of Ferdinand Cohn's students, Joseph Schroeter found that bacteria would grow on potatoes, egg whites, meat and bread and discovered that these bacteria colonies could form colonies almost exactly the same as the original.
members.tripod.com /robertkoch3/readreport.htm   (1175 words)

  
 Bacillus
In 1872, Ferdinand Cohn, a contemporary of Robert Koch, recognized and named the bacterium Bacillus subtilis.
Endospores were first described by Cohn in Bacillus subtilis and later by Koch in the pathogen, Bacillus anthracis.
Cohn demonstrated the heat resistance of endospores in B. subtilis, and Koch described the developmental cycle of spore formation in B.
textbookofbacteriology.net /Bacillus.html   (5350 words)

  
 AllRefer.com - Ferdinand Cohn (Horticulture, Biography) - Encyclopedia
Ferdinand Cohn[fer´denAnt kOn] Pronunciation Key, 1828–98, German botanist.
He aided Robert Koch in preparing Koch's famous work on anthrax.
Cohn's writings cover such diverse subjects as fungi, algae, insect epidemics, and plant diseases.
reference.allrefer.com /encyclopedia/C/Cohn-Fer.html   (183 words)

  
 Cohn Family Crest   (Site not responding. Last check: 2007-11-05)
The original Gaelic form of the name Cohn is O Cadhain, from the word cadhan, which means wild goose.
In continental Europe, the most ancient recorded family crest was discovered upon the monumental effigy of a Count of Wasserburg in the church of St. Emeran, at Ratisobon, Germany...
In the Cohn coat of arms as in all coat of arms the crest is only one element of the full armorial achievement.
www.houseofnames.com /xq/asp.fc/qx/cohn-family-crest.htm   (637 words)

  
 Sterling Memorial Library - Cycle of Life Exhibit
These works reflect the long history of exploring the "cycle of life" experimentally.
These selections trace this story from its origin in the late 18th century naturphilosophie of Humboldt and E. Darwin, to Dumas' organic chemistry in the 1830s, to the rise of microbiology in the work of Pasteur and Cohn in the mid 19th century.
Ferdinand Cohn, Bacteria, The Smallest Living Beings, 1872
www.cycle-of-life.net /sterling.html   (150 words)

  
 : : BioMania - O melhor Portal Biológico da Internet : :   (Site not responding. Last check: 2007-11-05)
Pioneiro da bacteriologia, Ferdinand Cohn contribuiu, ao lado de Louis Pasteur e John Tyndall, para derrubar a teoria da geração espontânea, segundo a qual os organismos vivos são capazes de desenvolver-se a partir da matéria inorgânica.
Ferdinand Julius Cohn nasceu em 24 de janeiro de 1828, de família judia, em Breslau, posterior Wroclaw, na Polônia.
Cohn morreu em Breslau, em 25 de junho de 1898.
www.biomania.com.br /bio/conteudo.asp?cod=3075   (251 words)

  
 Robert Koch - Biography
The results of this painstaking work were demonstrated by Koch to Ferdinand Cohn, Professor of Botany at the University of Breslau, who called a meeting of his colleagues to witness this demonstration, among whom was Professor Cohnheim, Professor of Pathological Anatomy.
Both Cohn and Cohnheim were deeply impressed by Koch's work and when Cohn, in 1876, published Koch's work in the botanical journal of which he was the editor, Koch immediately became famous.
He continued, nevertheless, to work at Wollstein for a further four years and during this period he improved his methods of fixing, staining and photographing bacteria and did further important work on the study of diseases caused by bacterial infections of wounds, publishing his results in 1878.
nobelprize.org /nobel_prizes/medicine/laureates/1905/koch-bio.html   (1634 words)

  
 Heinrich Hermann Robert Koch
This finding explained the recurrence of the disease in pastures long unused for grazing, for the dormant spores could, under the right conditions, develop into the rod-shaped bacilli that cause anthrax.
The anthrax life cycle, which Koch had discovered, was announced and illustrated at Breslau in 1876, on the invitation of Ferdinand Cohn, an eminent botanist.
One of Cohn's pupils, Joseph Schroeter, found that chromogenic (colour-forming) bacteria would grow on such solid substrates as potato, coagulated egg white, meat, and bread and that these colonies were capable of forming new colonies of the same colour, consisting of organisms of the same type.
medicine.nobel.brainparad.com /heinrich_hermann_robert_koch.html   (1222 words)

  
 HISTORY
 Ferdinand Cohn (1828-1898), a German botanist, was the first person to describe the entire life cycle of endospore-forming Bacillus.
He also demonstrated the heat resistance of endospores in Bacillus subtilis.
Endospores are so named because they are formed intracellularly, although they are eventually released from this mother cell or sporangium as free spores.
www.arches.uga.edu /~deepti/discovery.htm   (169 words)

  
 Amazon.com: "Ferdinand Cohn": Key Phrase page   (Site not responding. Last check: 2007-11-05)
We will discuss in Chapter 6 the important work of Ferdinand Cohn, the Breslau botanist, whose writings on bacteria were widely known.
In this view of the relationships between the "lower fungi," Ngeli's opponent was the Linnaean botanist Ferdinand Cohn of Breslau, whose classification of these same organisms had appeared in 1875.
recurrent fever." Against this unlimited belief in the ability of bacteria to change morphology and character, another great German botanist, Ferdinand Cohn (1828-1891), maintained that bacteria could be classified according to their morphology in the same way as plants.
www.amazon.com /phrase/Ferdinand-Cohn   (591 words)

  
 Bacteria definition - Medical Dictionary definitions of popular medical terms
The term bacteria was devised in the 19th century by the German botanist Ferdinand Cohn (1828-98) who based it on the Greek bakterion meaning a small rod or staff.
In 1853, Cohn categorised bacteria as one of three types of microorganisms -- bacteria (short rods), bacilli (longer rods), and spirilla (spiral forms).
The term bacteria was preceded in the 17th century by the microscopic animalcules described by Antony van Leeuwenhoek (1632-1723).
www.medterms.com /script/main/art.asp?articlekey=13954   (287 words)

  
 Ferdinand Julius Cohn - Wikipedia
Cohn wurde 1828 in Breslau im heutigen Polen als Sohn eines Kaufmanns geboren.
Als Cohns wissenschaftliches Hauptwerk werden heute seine Bemühungen um die Klassifikation von Bakterien betrachtet.
Er entdeckte auch den botanischen Garten des Lorenz Scholz von Rosenau in Breslau wieder.
de.wikipedia.org /wiki/Ferdinand_Cohn   (190 words)

  
 Discovery of Endospores   (Site not responding. Last check: 2007-11-05)
Cohn is credited with being the fonder of bacteriology
He stumbled upon the process of spore formation in 1876 when he started
Cohn described the life cycle of Bacillus as vegetative
www.arches.uga.edu /~howie/discovery.html   (106 words)

  
 The Scientist : An Early Look at a Killer
Although famed for his work on tuberculosis and the postulates named after him, his first success came with the discovery of Bacillus anthracis.
These drawings, by Koch and his colleague Ferdinand Cohn, detail anthrax from its virulent form (Figures 1, 2), to endospore germination and formation (Figures 3–5), and back to its original form after the spores were injected into frog epithelial cells (Figure 7).
Koch R, Cohn F: "Die Aetiologie der MilzbrandKrankheit, begrundet auf die Entwicklungsgeschichte des Bacillus Anthracis,".
www.the-scientist.com /article/display/14694   (149 words)

  
 Mayo Medical Library - Mayo Hall Historical Exhibit   (Site not responding. Last check: 2007-11-05)
He graduated at Gôttingen in 1866, and began his career as a country practitioner.
In 1876 he demonstrated to Ferdinand Cohn of Breslau his work on the etiology of anthrax based on the development of the anthrax bacillus.
In 1878 he published his important monograph on wound infections.
www.mayo.edu /medlib/mayohall/name34.htm   (158 words)

  
 Cohn Ferdinand Julius - Search Results - MSN Encarta
Cohn Ferdinand Julius - Search Results - MSN Encarta
The next step was taken by the French chemist and microbiologist Louis Pasteur, who summarized his findings in...
Help with Spanish, French, German, and Italian homework.
uk.encarta.msn.com /Cohn_Ferdinand_Julius.html   (102 words)

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