Getting back to 1944: FDR/Henry Kaiser vs. Dewey/Earl Warren (NY/CA). (Warren was actually offered the Republican vice-presidential nomination in 1944, but turned it down, only to accept it in 1948.)
On Kaiser, see https://www.alternatehistory.com/forum/threads/a-kaiser-in-the-white-house.336835/
On Kaiser, see https://www.alternatehistory.com/forum/threads/a-kaiser-in-the-white-house.336835/