Sydney Chapman may refer to:
- Sir Sydney Chapman (economist) (1871–1951), British economist and civil servant
- Sydney Chapman (mathematician) FRS (1888–1970), British mathematician
- Sir Sydney Chapman (politician) (born 1935), former British Conservative MP
Famous quotes containing the words sydney and/or chapman:
“Turn up the lights; I don’t want to go home in the dark.”
—O. Henry [William Sydney Porter] (1862–1910)
“Is there something in trade that dessicates and flattens out, that turns men into dried leaves at the age of forty? Certainly there is. It is not due to trade but to intensity of self- seeking, combined with narrowness of occupation.... Business has destroyed the very knowledge in us of all other natural forces except business.”
—John Jay Chapman (1862–1933)