Over Rosenthal's 35-year career in the cannabis world, he has been an educator, writer, researcher, culture expert and activist, and is continuing to leave his mark on the ever-growing industry to this day. Rosenthal is the pothead's answer to Ann Landers, Judge Judy, Martha Stewart, and the Burpee Garden Wizard all in one.” There are very few people who have been compared to both a superstar homemaker and kitschy advice columnist, but Ed Rosenthal - aka the Guru of Ganja - is that person. By WeedMaps' Erin Hiatt, provided exclusively to Benzinga Cannabis.