In the 1950 film The Men, Marlon Brando in his first movie role plays Ken, a paraplegic World War II veteran struggling alongside other vets with spinal-cord injuries to learn to use wheelchairs, build their upper-body strength, and come to terms with what they assume will necessarily be diminished lives. Ken’s fiancée, Ellen, played by Teresa Wright, is sure they can put their old life together, but Ken breaks with her out of rage and self-hatred. In the final scene, chastened, he’s returned home to her. He pulls his wheelchair out of his car — folding wheelchairs were fairly new…