English cryptanalyst.

Born June 24th, 1917 in West Norwood.

Died September 4th, 1996 at 79 years old in Headington.

Joan Plowright

Born October 28th, 1929 in Brigg.

Died January 16th, 2025 at 95 years old

Katherine Johnson

Born August 26th, 1918 in White Sulphur Springs.

Died February 24th, 2020 at 101 years old

Grace Hopper

Born December 9th, 1906 in New York City.

Died January 1st, 1992 at 85 years old

Alan Turing

Born June 23rd, 1912 in Maida Vale.

Died June 7th, 1954 at 41 years old

Mary Jackson

Born April 9th, 1921 in Hampton.

Died February 11th, 2005 at 83 years old