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Jacob Bigeleisen
Jacob Bigeleisen (pronounced ''BEEG-a-lie-zen''; May 2, 1919 – August 7, 2010) was an American chemist who worked on the Manhattan Project on techniques to extract uranium-235 from uranium ore, an isotope that can sustain nuclear fission and would be used in developing an atomic bomb but that is less than 1% of naturally occurring uranium. While the method of using photochemistry that Bigeleisen used as an approach was not successful in isolating useful quantities of uranium-235 for the war effort, it did lead to the development of isotope chemistry, which takes advantage of the ways that different isotopes of an element interact to form chemical bonds.
==Biography==
Bigeleisen was born on May 2, 1919, in Paterson, New Jersey. His mother wanted him to go to college and a friend suggested that he study chemistry, noting that Paterson's dye companies that served the textile plants there would always need chemists. He attended the University College of New York University in the Bronx, earned a master's degree in 1941 from Washington State University and was awarded a doctorate in 1943 from the University of California, Berkeley.〔Chang, Kenneth. ("Jacob Bigeleisen, Isotope Chemist on Manhattan Project, Dies at 91" ), ''The New York Times'', August 30, 2010. Accessed August 31, 2010.〕
抄文引用元・出典: フリー百科事典『 ウィキペディア（Wikipedia）』
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