Andrew Thomas Dalton, Jr., "Tom", who was born in Oklahoma City, on January 23, 1937, to Fannie Jane Dillard and Andrew T. Dalton, died peacefully on January 23, 2022. Growing up in Muskogee, Tom was a true student athlete and scholar. He was a member of the Central (now Muskogee High School) Roughers football team during their state championship years and also graduated at the top of his senior class. He graduated from Princeton University with a degree in AB Economics in 1959, and obtained his law degree at the University of Oklahoma in 1962. He was a captain in the Army at Ft. Bliss, Texas, and was honorably discharged in 1964. As Tom developed his law career in Tulsa, he became involved with many environmental issues throughout the state. For over 30 years his practice involved work in State and Federal Courts on behalf of ranchers and farmers in western Oklahoma; water rights issues throughout the state including the Illinois River; and notably, a lead position with the legal team in the late 1970's successfully defending Oklahoma residents against the proposed Black Fox nuclear power plant in northeast Oklahoma. One of Tom's proudest achievements involved a water rights case that he argued before the United States Supreme Court. Among other honors, Tom was a founding and life member of the Sierra Club in northeast Oklahoma; a life member of Save the Redwoods League; and past recipient of the Oklahoma Wildlife Federation Conservationist of the Year Award. He was a member of the bar associations of Oklahoma and Texas, and had most recently served as an attorney for the Oklahoma Court of Civil Appeals in Tulsa. Tom's talents extended beyond the law, however. Summer vacations and trips with his children gave him time to develop and blend his love of his family and of being outdoors with his love of photography. In addition to capturing striking landscape images during his travels throughout the country, for many years Tom was the sideline photographer for his friends and colleagues at their children's Saturday morning soccer, baseball, and football games. The kids loved him, too. Tom is survived by his son, Andrew, his grandchildren John and Isabel; by his daughter, d'Alary, and her partner Rich Quinn; by his brother, James, and his sister, Mary Jane; by his longtime friend and companion Molly Pezold; and by his colleagues and friends who loved and admired him. A friend of his remarked, "Tom was a decent, honorable man who set high standards and values for himself, and from which he never wavered throughout his life. He had a remarkable legal mind, he loved children and dogs, and he was a heck of a poker player." As Tom requested, there are no services planned.