Edward F KoehlerEdward F. Koehler PhD, is retired from government service and private employment. He lives with his wife at the beach on the eastern shore of Maryland. While on assignment in 1993, Dr. Koehler lived on a sailboat in San Francisco harbor for a year, siling nights and weekends in San Francisco Bay. Today, his hobbies include sailing, snorkeling, skiing, and tennis. Dr. Koehler and his wife travel frequently throughout the United States, Mexico, and the Caribbean islands. Read More Read Less