Born in 1931 and brought up by his mother in Stockholm, he learned piano as a boy, and his poems match the virtues of music to the virtues of psychological analysis.

NEWYORKER: Night Thoughts

Weisman, who covered Moynihan for the Times in New York, Washington, and New Delhi, and knew him well for decades, introduces the book with a lively essay that is part biography, part political and psychological analysis, part appreciation, and part personal reminiscence.

NEWYORKER: Politics and Prose

Warburg was one of the few believers in graphology, the analysis of handwriting, as a way of gaining psychological insight into his applicants.

ECONOMIST: Siegmund Warburg

In 2012, sociologist Loren Marks conducted a detailed re-analysis of 59 studies of parenting by gays and lesbians that were cited by the American Psychological Association in a 2005 publication.

WSJ: Nelson Lund: A Social Experiment Without Science Behind It

But a meta-analysis of 23 studies by Karl Hanson of Canada's department of public safety found that psychological therapy was associated with a 43% drop in recidivism.

ECONOMIST: Sex laws