Jose Vinicio Calventi Gavino, who for 31 years was the director of the Hospital de Maternidad Nuestra Senora de la Altagracia, the leading maternity hospital in the country, died yesterday. He is recognized for his efforts in creating the local specialty of Gynecology and Obstetrics, and having trained innumerable Dominican doctors. Calventi returned to the country after work and study in New York, Paris and Chile. He is survived by his wife Idelissa Bonnelly de Calventi, also recognized for her work as a professor at the UASD, and one of the country?s leading environmentalists.