Obtained B.S.(1954 and M.S.(1959 in Agronomy/Soils from Cornell and Ph.D. (soil mineralogy and soil genesis) from Univ. Wisconsin (1964). Advanced from Ass't. (1964) to Full Professor (1977) in former Univ. of Maryland Department of Agronomy. Retired and became Emeritus Professor in 1999, now hold this appointment in Dept. of Environmental Science and Technology (new department in 2006). My current specialty area is acid sulfate soils, however, I have broad interests in earth and environmental sciences.