[4][7] They were active in leftist politics, and left South Africa in 1955 after the clinic's board threatened to fire Dr. Susser if he participated on a panel sponsored by the African National Congress.
[5][4] Stein's research included work on child development, contraception, psychiatric disorders, miscarriage, preterm delivery and birth defects.
[4] Towards the end of their careers, Stein and Susser focused increasingly on HIV advocacy and research, both in the United States and in their native South Africa.
With other health activists, they organised a meeting in Maputo in April 1990, which aimed to alert the African National Congress to the threat.
2017 - Platinum Medal, the SAMRC Lifetime Achievement award (for scientists who have raised the profile of South African science).