(1/4) Zhores I. Alferov - He was born March 15, 1930 in Vitebsk, Belorussia. Doctor's degree in Physics and Mathematics in 1970 from A.F. Ioffe Physico Technical Institute in St. Petersburg. He is currently associated with the Ioffe Physico-Technology Institute. Won the Nobel Prize in Physics for the Development of semiconductor hetero-structures used in high-speed-electronics. (1/4) Herbert Kroemer - He was born on August 25, 1928 in Weimar, Germany. He received a Ph.D. in theoretical physics in 1952 from the University of Gottingen, Germany. He is currently affiliated with the computer and electrical engeneering at the University of California. Won the Nobel Prize in Physics for the Development of semiconductor hetero-structures used in high-speed-electronics. (1/2) Jack S. Kilby - Born on April 11, 1923 in Great Bend, Kansas. In 1950, he received his Masters in Electrical Engineering at the University of Wisconsin. Between 1958 and 1970 he was employed at Texas Instruments in Dallas, Texas. While he was There he developed the first integrated circuit. He won the Nobel Physics Prize for the invention of the integrated circuit.