what did theodor schwann contribute to our understanding of cells?
Microscopical researches into the accordance in the structure and growth of animals and plants
contradiction
 Mendel 's work went largely unnoticed after its first publication in 1866 , but was rediscovered in the late 19th @-@ century by Hugo de Vries , Carl Correns , and Erich von Tschermak , who ( claimed to have ) reached similar conclusions in their own research . Specifically , in 1889 , Hugo de Vries published his book Intracellular Pangenesis , in which he postulated that different characters have individual hereditary carriers and that inheritance of specific traits in organisms comes in particles . De Vries called these units " pangenes " ( Pangens in German ) , after Darwin 's 1868 pangenesis theory . 

entailment
 Most notably , she received the Nobel Prize for Physiology or Medicine in 1983 , the first woman to win that prize unshared , credited by the Nobel Foundation for discovering " mobile genetic elements " ; it was more than 30 years after she initially described the phenomenon of controlling elements . She was compared to Gregor Mendel in terms of her scientific career by the Swedish Academy of Sciences when she was awarded the Prize . 

contradiction
 But it was Bohr who electrified the audience with his news from Europe of the discovery by Lise Meitner and Otto Frisch of nuclear fission . Physicists rushed to confirm the results . Creutz built an ionization chamber and a linear amplifier out of radio vacuum tubes , coffee cans and motorcycle batteries , and with this apparatus the physicists at Princeton were able to confirm the results . 

contradiction
 German Dr. Siegbert Tarrasch turned down an opportunity in 1892 to challenge Steinitz in a world championship match , because of the demands of his medical practice . 

contradiction
 When Hitler annexed Austria in March 1938 , Reich 's ex @-@ wife and daughters had already left for the United States . Later that year , Theodore P. Wolfe , a professor of psychiatry at Columbia University , traveled to Norway to study under Reich . Wolfe offered to help Reich settle in the States , and managed to arrange an invitation from The New School in New York for Reich to teach a course on " Biological Aspects of Character Formation . " Wolfe and Walter Briehl , a former student of Reich 's , put up $ 5 @,@ 000 to guarantee his visa . Wolfe also pulled strings with Adolph Berle , an official in the State Department . Reich wrote in his diary in May 1939 : 
