The character of Archibald “Moonlight” Graham, the baseball player and doctor played by Burt Lancaster as an old man and Frank Whaley as a young player in the 1989 movie “Field of Dreams,” was based on a real person. Like the character in the movie, the real Moonlight Graham played a single game for the New York Giants in 1905 before spending 50 years as a doctor in Chisholm, Minnesota. Unlike…