Dr. Nicholas Muhlenberg, age 81, of Philadelphia PA, died peacefully on Tuesday May 26, 2009. Born in Reading PA, he was the eldest son of the late Wilhelmine (Thun) and Charles Muhlenberg. He earned both his BS and Masters in Forestry from The University of Michigan, followed by a Fulbright scholarship in New Zealand, and a MA in Conservation and a PhD. in Resource Economics from Yale University. He began his career at Crown Zellerbach in Oregon and went on to work for the UN in Geneva Switzerland. He was an assistant professor at Pennsylvania State University and associate professor emeritus at University of Pennsylvania where he taught Regional Planning and Landscape Architecture at the Graduate School of Fine Arts. He co-authored the book, Ecology in Design with a group of colleagues. Nick was an intellectual inspiration to all that knew him. After retiring, he enjoyed Cape May and bird watching at Cape May Point. Nick was predeceased by his wife of 35 years Virginia (Gravley) and brother, Phillip Muhlenberg. He is survived by 2 sons, Kobi Muhlenberg (Janet) and Mattias Muhlenberg, two daughters Mimi Muhlenberg, and Dela (Robert) Muhlenberg- Bryan) 4 grandchildren, Sarah Muhlenberg, Mary Muhlenberg, James Muhlenberg and Katie Bryan, and 2 brothers John of Chicago, and Jerome of Nyack NY, sister, Annamarie Cherney of NY, NY and step-daughter Julie A. Galaudet of Los Angeles, CA. In addition, he is survived by his companion and friend Barbara Simmons. A memorial service will be held at 2:00 PM, June 5, 2009 at the Watermark- Logan Sq. East, 2 Franklin Town Blvd., Phila. (4th floor auditorium, 215-557-0640). Donations can be made to the Cape May Bird Observatory, PO Box 3, Cape May Point, NJ 08212.