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Gregory Baum was a Canadian priest and theologian in the Roman Catholic Church. He emigrated to Canada from England as a war refugee with his Jewish mother and Protestant father. In the 1960s, he was known for his works on ecumenism, interfaith dialogue, and the relationship between the Catholic Church and Jewish populations. Later in the decade, he attended the New York School for Social Theory and became a sociologist, specializing in social ethics and the sociology of religion.

Benjamin Spock was an American pediatrician and influential child care expert. His book, The Common Sense Book of Baby and Child Care (1946) is one of the best-selling books in history. By 1998, it had sold more than 50 million copies, and had been translated into 42 languages.

Pierre Emmanuel was a French poet, critic, and journalist. Pierre Emmanuel name was a pseudonym and his real name was Noël Mathieu. He was a professor of mathematics until 1943, when he joined the French resistance movement to the Nazi occupation and the Vichy regime. From 1945 to 1949, he was head of the British Service and then the American Service for French radio and television. He was a visiting professor or lecturer at Harvard, Johns Hopkins, Oxford, and Manchester.

Laurens van der Post was a South African author, political advisor, explorer, and humanitarian. In 1925, he began working as a reporter with The Natal Advertiser and a year later co-founded a satirical magazine that was critical of imperialism. As a reporter at The Cape Times at the end of the decade, van der Post began to write more frequently against racist government policy in South Africa. His first novel, In a Province (1934), described the tragedy of racial divisions.

Harold D. Lasswell was Ford Foundation Professor of Law and Social Sciences at Yale University. His influential work examined power relations, personality and politics, and behavioural political science and was published in more than 30 books and 250 articles.