Profit from their mail-order business provided the funds to launch Population Services International and DKT International, the latter named for the late D.K. Tyagi, an early pioneer of family planning in India.
Profit from their mail-order business provided the funds to launch Population Services International in 1970. In 1989, Harvey founded DKT International, named for the late D.K. Tyagi, an early pioneer of family planning in India.