September 29, 1934

1934Mihaly Csikszentmihalyi, Hungarian-American psychologist and academic (died 2021)^[†]

Mihaly Robert Csikszentmihalyi was a Hungarian-American psychologist. He recognized and named the psychological concept of "flow", a highly focused mental state conducive to productivity. He was the Distinguished Professor of Psychology and Management at Claremont Graduate University. Earlier, he served as the head of the department of psychology at the University of Chicago and of the department of sociology and anthropology at Lake Forest College.

1934Stuart M. Kaminsky, American author and screenwriter (died 2009)^[†]

Stuart M. Kaminsky was an American mystery writer and film professor. He is known for three long-running series of mystery novels featuring the protagonists Toby Peters, a private detective in 1940s Hollywood (1977–2004); Inspector Porfiry Petrovich Rostnikov, a Moscow police inspector (1981–2010); and veteran Chicago police officer Abe Lieberman (1990–2007). There is also a fourth series featuring a Sarasota, Florida, process server named Lew Fonesca (1999–2009).