Peter Ritchie Calder [SEP] place of death
Peter Ritchie Calder
Peter Ritchie Calder, Baron Ritchie-Calder (1 July 1906 – 31 January 1982) was a Scottish socialist author, journalist and academic. 
Early life.
Peter Ritchie Calder was born on 1 July 1906 in Forfar, Angus, Scotland.
Career.
Calder first worked as a journalist in Dundee and Glasgow, where he became noted as a socialist and peace activist; as Science Editor of the "News Chronicle", he wrote under the name of 'Ritchie Calder'.
, founder of Calder Publishing
- Katherine Calder (b. 1980), cross-country skier and Winter Olympian
- Mary Gordon Calder (c. 1906-1992), Scottish palaeobotanist
- Peter Ritchie Calder, (Lord Ritchie-Calder) (1906–1982), Scottish author, journalist and academic, father of:
- Nigel Calder (b. 1931), British science writer, father of:
- Simon Calder (b. 1955), travel writer
- Angus Calder (b. 1942), historian
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