Tuesday is 4/20, which is just a date for many, but for the growing and increasingly mainstreamed cannabis culture, is something akin to a national holiday. Born of teenage stoner lore, 4:20 p.m. was allegedly the weekly meeting time for a group of five California high school students nicknamed the Waldos, who in 1971 would gather to smoke pot and search for the holy grail of weed â a flourishing crop supposedly left untended in the forest. While alternate origin theories abound, former San Rafael High School students Steve Capper, Mark Gravich, Larry Schwartz, Jeff Noel and Dave Reddix ...