Here is a list of Presidential election years where the elected President did not win:
1996 (Clinton #2) - David Ho, pioneer in AIDS research
1988 (G.W. Bush) - “Planet of the Year” Earth
1984 (Reagan #2) - Peter Ueberroth (head of the 1984 LA Olympic Organizing Committee); note Reagan had won in 1983
1968 (Nixon #1) - The Apollo 8 Astronauts
1960 (Kennedy) - U.S. Scientists, although Kennedy did win in 1961
1956 (Eisenhower #2) - Hungarian Freedom Fighters
1952 (Eisenhower #1) - Queen Elizabeth II
1944 (FDR #4) - Dwight Eisenhower
1940 (FDR #3) - Winston Churchill
1936 (FDR #2) - Wallis Warfield Simpson
1928 (Hoover) Walter Chrysler