Bruce Greenberg grew up in Collingswood, New Jersey. He graduated from Princeton University in 1965 and earned a Ph.D. in Political Science from the University of Michigan in 1972. He.taught Political Science at Knox College,1970-1973. and then served as Assistant Provost of Antioch College, 1973-1974. In 1975 he founded with his wife, Linda, Greenberg Publishing Company and in 1976 they founded Greenberg Shows Inc. In 1991 they sold Greenberg Publishing Company and Greenberg Shows to Kalmbach Publishing Company. He is the author of 23 books on toy trains as well as two books on family history.