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George Rankine Irwin : ウィキペディア英語版 | George Rankine Irwin
Dr. George Rankin Irwin (February 26, 1907 – October 9, 1998) was an American scientist in the field of fracture mechanics and strength of materials. He was internationally known for his study of fracture of materials. ==Early life and education== George R. Irwin was born in El Paso, Texas. His family moved to Springfield, Illinois where he went to school. He attended Knox College in Galesburg, Illinois and earned an A.B. degree in English in 1930. After an additional year studying physics, he transferred to the University of Illinois at Urbana-Champaign where he studied from 1931 to 1935. He received his Ph.D. from the University of Illinois in 1937; his thesis was on the mass ratio of lithium isotopes.
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