How much is John Howell worth? - Wondering how wealthy & rich is John Howell? Or maybe you\u2019re just curious about John Howell's age, body measurements, height, weight, hair color, eye color, bra & waist size, bio, wiki, wealth and salary?\n\n\n\n\n\n John Thomas Howell (1903 - 1994) was an American botanist, expert in the genus Eriogonum. He was an assistant to Dr. Alice Eastwood (1859-1953. \n\n\nMore Facts about John Howell\n\nThe John Howell's statistics like age, body measurements, height, weight, bio, wiki, net worth posted above have been gathered from a lot of credible websites and online sources. But, there are a few factors that will affect the statistics, so, the above figures may not be 100% accurate.