In the summer of 1969, Howard Wexler called a time-out. He was in his early 30s, living in a high-rise Manhattan apartment near Lincoln Center. He’d been a social worker, a teacher, and a school psychologist in New York City and on Long Island for nearly a decade. And for the past year, he’d been taking courses in a doctoral program at Fordham’s Graduate School of Education. But he was dissatisfied at work and unsure of his next move.