Harold H. Seward

Harold H. Seward (July 24, 1930 – June 19, 2012) was a computer scientist, engineer, and inventor. Seward developed the radix sort and counting sort algorithms in 1954 at MIT.^[2] He also worked on the Whirlwind Computer and developed instruments that powered the guidance systems for the Apollo spacecraft and Polaris missile.^[3][4]

Harold Herbert Seward
Born	(1930-07-24)July 24, 1930 Rutland, Vermont, United States
Died	June 19, 2012(2012-06-19) (aged 81)[1] Arlington, Massachusetts, United States
Alma mater	Norwich University Massachusetts Institute of Technology
Known for	Radix sort and Counting sort Whirlwind Computer
Spouse	Janet Seward
Scientific career
Fields	Computer Science
Institutions	MIT Instrumentation Laboratory MIT Lincoln Laboratory HH Controls
Doctoral advisor	Charles W. Adams