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): Alyson Stoner • Brian Azzarello • Chris Hemsworth • Lillian Nakate • Melky Cabrera • Morris Weiss • Nikolaus von Schönberg • Peter Mohr Dam • Sebastian Huke • Steven Pokere • Storm Hunter • Stuart Rosenberg • Vance Heafner
Born in the same month (August 1885): August 15 • Dino Campana • DuBose Heyward • George de Hevesy • Grace Hutchins • Jean Cabannes • Juhan Simm • Keith Murdoch • Nettie Palmer • Tedda Courtney • Vance Palmer • Édouard Fabre