Definitions for "Sanger"
United States nurse who campaigned for birth control and planned parenthood; she challenged Gregory Pincus to develop a birth control pill (1883-1966)
Keywords:  sandwich
English biochemist who determined the sequence of amino acids in insulin and who invented a technique to determine the genetic sequence of an organism (born in 1918)
Keywords:  spaceplane, german, stage, design, two
German two-stage spaceplane design