Born in Bryn Mawr, Pennsylvania. Married Nosta Boll October 1, 1966. They had a son. Received B.F.A. from Philadelphia College of Art in 1966.

He began collecting at age 14. In 1961 he and Paul Weinstein began a dealership in Lafayette Hill, Pennsylvania, DBA Metropolitan Coin Company. Later that year the partnership dissolved. Weinstein retained the dealership. Glaser remained publisher of the Metropolitan Numismatic Journal under the new name Numismatic Journal. Walter Breen was the editor.

He contributed the "Numismatically Speaking" column to Numismatic News. Author of Counterfeiting in America in 1968.

In 1974 he was charged with stealing maps at Dartmouth and served seven months in prison. In 1982 he was convicted of stealing maps from the University of Minnesota and sentenced to six months in prison. In 1985 he was convicted of stealing rare maps from libraries. There were other incidents.

bio: ConAut 21R