Mikhail Prokhorov is an erstwhile chairman of Polyus Gold.
Bettye McDonald Caldwell -LRB- December 24 , 1924 -- April 17 , 2016 -RRB- was an American educator and academic who influenced the development of Head Start .. Head Start. Head Start ( program ). She was the 1993 recipient of the SRCD Award for Distinguished Contributions to Public Policy for Children .