Roger Hammer is a native Floridian from Cocoa Beach, Florida, who has lived in Homestead, Florida, since 1969. He has been a professional naturalist and director of Castellow Hammock Nature Center for the Miami-Dade Parks Department since 1977, and he is also a part-time instructor and fieldtrip leader for Fairchild Tropical Garden in Miami. Hammer received the first Marjory Stoneman Douglas Award presented by the Dade Chapter of the Florida Native Plant Society in 1982 for "outstanding, consistent, and constant service in the areas of education, research, promotion, and preservation of native plants." He was also the recipient of the Charles Brookfield Medal awarded by Tropical Audubon Society in 1996 for "outstanding service in the protection of our natural resources." His hobbies include gardening, camping, fishing, and wildflower photography.