Luther Burbank
…16, #18, No. 41, #65, No. 66, #235, No. 266, #267, No. 269, #290, No. 291, and #1041 to Burbank posthumously. In 1931, while visiting San Francisco, Frida Kahlo painted a portrait of Burbank emerging as a tree from his interred corpse. In 1940, the U.S. Postal Service issued a 3-cent stamp honoring Burbank…