When I was promoted to tenured full professor, the dean of my law school kindly had flowers sent to me at my home in Pacific Heights, an overpriced San Francisco neighborhood almost devoid of black residents. I opened the door to find a tall, young, African-American deliveryman who announced, “Delivery for Professor Magee.” I, a petite black woman, dressed for a simple Saturday spent in my own home, reached for the flowers saying, “I am Professor Magee.” The deliveryman looked down at the order and back up at me. Apparently shaken from the hidden ground of his preconceptions, he looked at me again. Incredulous, he asked, “Are you sure?” …