- 1888 – Paul Popenoe, American founder of relationship counselling (d. 1979).
- 2015 – James W. Fowler, American psychologist and academic (b. 1940).
Paul Bowman Popenoe (16 October 1888 to 19 June 1979) was an American agricultural explorer and eugenicist. He was an influential advocate of the compulsory sterilisation of the mentally ill and the mentally disabled, and the father of marriage counselling in the United States.
James W. Fowler
James William Fowler III (12 October 1940 to 16 October 2015) was an American theologian who was Professor of Theology and Human Development at Emory University. He was director of both the Centre for Research on Faith and Moral Development, and the Centre for Ethics until he retired in 2005. He was a minister in the United Methodist Church. Fowler is best known for his book Stages of Faith, published in 1981, in which he sought to develop the idea of a developmental process in “human faith”.