John Herbert Chapman

John Herbert Chapman was a Canadian space researcher. He started his career with his work on radio propagation and the ionosphere. ^{John Herbert Chapman, Canadian physicist and engineer (d. 1979)}

28 August 1921

Born on the same birth date (28 August 1921): Fernando Fernán Gómez • Lidia Gueiler • Nancy Kulp

Born on the same birth day (28 August): Jack Black • Jay Witasick • Jennifer Coolidge • Ken Jenkins • Lee Janzen • Liza Wang • Luke McAlister • Sonia Kruger

Born in the same month (August 1921): Alex Haley • Bryce Mackasey • Esther Williams • Geoffrey Elton • Georg Alexander, Duke of Mecklenburg • Jack Kramer • Jimmy McCracklin • Louis Frémaux • Marilyn Maxwell • Nancy Kulp • Pat McDonald (actress) • Richard Adler