Barbara McClintock (1902-1992) was one of the foremost women scientists in 20th century America, noted for her pioneering research on transposable elements in maize. For this work she was awarded the Nobel Prize in Physiology or Medicine in 1983. She was the third woman to receive an unshared Nobel Prize in the sciences. Obviously a giant in the field of genetics, the McClintock Prize for Plant Genetics and Genome Studies was established by the Maize Genetics Executive Committee and very first recipient is Sir David C. Baulcombe, of the University of Cambridge, U.K.: The announcement was made Dec. 19 by