Ralph Stein suffered a stroke in 1962, when he was only 33 years old.  It impaired his ability to speak. But in recent years he had discovered a new passion that didn’t require words: painting. When he lived in New York City in the early 1950s, he wrote in a brief biography of his life, he spent time at an artists’ hangout, Waldorf Cafeteria, in Greenwich Village and met Jackson Pollock and Willem de Kooning.…