Dr. John Neptune, who served the Department of Chemistry at SJSU for 52 years, passed away in April 2917 at the age of 97. Dr, Neptune joined the Chemistry faculty in 1955 as an Assistant Professor. Prior to coming to SJSU, he received his BA Summa Cum Laude from Muskingum University in Ohio. During WW II. Dr. Neptune worked at Oak Ridge National laboratory purifying uranium as part of the Manhattan Project. He returned to Maskinum after the war, where joined the Chemistry faculty and met his wife, Ruth Dorsey, who taught in the department of Fine Arts.  In 1948, the Neptunes moved to Wisconsin, where John received his master’s and doctorate in Chemistry from the University of Wisconsin .At SJSU, he primarily taught analytical and general chemistry, and served the department as chair from 1973 to 1986. He also maintained an active research program, obtaining grants from NASA and the Department of Energy. Retiring from his regular faculty role in 1990, Dr. Neptune continued teaching at SJSU as a Professor Emeritus until 2007. A generous philanthropist, Dr. Neptune endowed the John Neptune Scholarship in Chemistry, and also contributed to his church and to Muskingum College. A master teacher, Dr. Neptune devoted over half a century to helping our students succeed in chemistry, and we are saddened by his passing.