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): Caleb Moore • Cassadee Pope • Don Denkinger • George Church (geneticist) • Gilles Rocheleau • Jay Witasick • Jo Kwon • John Stark • Lidia Gueiler • Luke McAlister • Murray Parker (cricketer) • Regina Jacobs • Shania Twain • Shuja Khanzada

Born in the same month (August 1921): Bryce Mackasey • Fernando Fernán Gómez • Georg Alexander, Duke of Mecklenburg • Iris Apfel • Jack Wilson (Australian cricketer) • Lidia Gueiler • Louis Frémaux • Manitas de Plata • Monty Hall • Pat McDonald (actress) • Richard Adler • William Asher