Stephen Butterworth

Stephen Butterworth (1885–1958) was a British physicist who invented the filter that bears his name, a class of electrical circuits that separates electrical signals of different frequencies. ^{Stephen Butterworth, English physicist and engineer (d. 1958)}

11 August 1885

Born on the same birth day (11 August): Charlie Sexton • Charlotte Leslie • Enrique Bunbury • Frederick Innes • Ian Stuart Donaldson • Isy Suttie • Iván Córdoba • John Conlee • John Gorrie (director) • Melky Cabrera • Mike Hugg • Princess Louise Charlotte of Saxe-Altenburg • Raymond Leppard • Stancho Belkovski • Thanom Kittikachorn • Will Friedle

Born in the same month (August 1885): Dino Campana • DuBose Heyward • George de Hevesy • Grace Hutchins • Jean Cabannes • Juhan Simm • Jules Romains • Tedda Courtney • Vance Palmer • Édouard Fabre