Callendar
Callendar
is a title of Scottish nobility and a surname. It may refer to:
Earl of Callendar
Callendar House
, Falkirk
Guy Stewart Callendar
(1898 – 1964), English steam engineer and inventor and son of Hugh Longbourne Callendar
Callendar effect
Hugh Longbourne Callendar
(1863 – 1930), British physicist and father of Guy Stewart Callendar