Dr. Walter Freeman crisscrossed the United States to seek out his former patients and follow up on procedures he had performed...He had long kept in touch with many of them through letters and Christmas cards.... many were delighted by his interest.

...

Freeman’s story is that he seems to have died still believing in his misbegotten remedy.

Crazy what happens when you see a bunch of incurably insane people effectively helped, huh? People forget easily: lobotomies were done for decades precisely because they helped some patients when nothing else could.