The Right Answer for the Wrong Reason

You will read in our book about how the train of events to suspect melanoma occured, beginning with the 1961 paper of Dr. F. Massie (other than as one of the many rambling and often incredible assertions of Emanuel Josephson in 1948), based on a slide in a paper presented at a 1949 conference, that turned out not to be FDR's brain at all.

Here is the slide that started it. Even more coincidentally, the fatal tumor is in the right parietal lobe of the brain, just like the one that was the source of the hemorrhage that killed the President.