Namesakes
Nobel Prize Winners:
1 peace
(peace) Alva Myrdal 1982 
Notable Actors and Entertainers:
1 presenter
Dick Cavett (middle name Alva) 1936-
Notable Scientists and Inventors:
1 inventor
Thomas Edison (middle name Alva) 1847-1931
Olympic Medalists:
1 silver
(silver) Alva Colquhoun 1960 swimming - 4x100 m freestyle relay