I think Nixon is most anti Semtric US president we ever had with Jimmy Carter closed second
Nixon did come of age at a time when anti-Semitism was probably stronger in the US than at other periods, but it's not always easy to separate out boorish or politically incorrect comments from real bigotry and malice.
Nixon was caught on several years’ worth of tape-recordings making some antisemitic comments out of frustration with what was going on in the world, but he found time in the middle of Watergate and especially the Saturday Night Massacre to make sure that Israel had the military supplies it needed during the 1973 war and surrounding turmoil - and he had a lot of Jews working in high level positions in his administration, including Henry Kissinger, Bruce Hershensohn, and a guy named Ben Stein......