Francis “Fran” John Trembley (1904-1978) was born in Naples, New York to J. Leon and Marie Griswold Trembley January 16. He had a younger brother Gordon L. Trembley who was a professor of biology at Pennsylvania State University and employed by the Pennsylvania Fish Commission. Trembley graduated from Hobart College in 1928, received his M.S. degree from Lehigh University in 1932 and his PhD degree from the University of Pennsylvania in 1936. He was married to Isabel Boone Trembley and they had two children: Suzanne (Mrs. James Christopher Fielding) and Thomas Boone Trembley. Mrs. Trembley was head of Adult Services at Bethlehem Public Library’s North Side Branch circa 1962. Dr. Trembley joined the faculty of Lehigh University in 1928 as an instructor in biology and continued his career as a professor of ecology from 1949 until his retirement in 1970. He introduced the word “ecology” to many students. His career reflected his keen observation and devotion to the natural world battling for a clean environment. As the Allentown Call-Chronicle newspaper’s featured Ecology Columnist, he wrote many articles promoting ecology to his many readers. In 1960-61, Trembley and his family spent three months in England at Cambridge. In 1964 he initiated a natural history and ecology workshop at Lehigh designed to help teachers participate in environmental recovery. In 1966, he was awarded the Golden Deeds Award from the Exchange Club of Bethlehem for his activity with Hawk Mountain Sanctuary, the Bethlehem Natural Science Association and service to Lehigh University. He was a strong advocate against the building of the Tocks Island Dam on the Delaware River as well as the Trexler Dam and warned against the effects of sprays and other chemical controls on the gypsy moth believing that nature would take care of the moths’ defoliation of the trees. Among his numerous recognitions: 1951 he was awarded the E. C. Hillman Award and in 1970 the Stabler Award from Lehigh University, 1964 was honored by his Alma Mater Hobart College, in 1973 a Doctor of Humanities degree from Moravian College. He died April 27, 1978.