What profession do both Phil Alden Robinson and David Nixon share?
Phil Alden Robinson Phil Alden Robinson (born March 1, 1950) is an American film director and screenwriter whose films include "Field of Dreams", "Sneakers", and "The Sum of All Fears".
Ronald Alcock Ronald Cecil Alcock (died 1991) was a British stamp dealer and philatelic publisher notable for writing or publishing some of the key works in British philately. He collaborated with Captain Frank Holland in many of his works.