Kathleen Booth, British computer scientist and mathematician (born 1922)

Kathleen Hylda Valerie Booth was a British computer scientist and mathematician who wrote the first assembly language and designed the assembler and autocode for the first computer systems at Birkbeck College, University of London. She helped design three different machines including the ARC, SEC, and APE(X)C.

September 29 is the 272nd day of the year in the Gregorian calendar; 93 days remain until the end of the year.