Garrison Sposito holds the Betty and Isaac Barshad Chair in Soil Science at Berkeley. He was a personal friend of Hans Jenny for nearly 30 years. Professor Sposito, whose academic degrees are in agriculture, specializes in physical chemistry applied to natural waters and soils. He was been elected a Fellow of six international scientific societies and has received numerous awards for his teaching and awards. In 2008 he was designated a Legend in Environmental Chemistry by the American Chemical Society, the world's largest scientific organization.