Student, New York University, 1935-1936.
Assistant editor, Book of Knowledge, 1934-1936;
editor, L'Encyclopedie de la Jeunesse, 1936-1937;
manager mail order sales, Grolier Society, Inc., New York City, 1939-1946;
vice president, Grolier Society, Inc., 1947-1959;
president, director, Grolier Enterprises, Inc., New York City, 1960-1966;
Chairman of the Board, Grolier Enterprises, Inc., 1967-1968;
Chairman of the Board, House of Grolier Ltd., London, 1966-1973;
vice president, Grolier International, 1966-1969;
executive vice president, Grolier International, 1969-1973;
president, director, Howell Book House, Inc., from 1961. Director Grolier Ednl. Corporation, Grolier Society Ltd., London, 1966-1973.
Vice-president, director Franklin Watts, Inc. Secretary, director Americana Interstate Corporation. Vice-president, director Grolier, Inc., 1960-1973, member Executive Committee, 1966-1973.
Columnist Popular Dogs magazine, 1955-1966. Editor International Encyclopedia of Dogs. President Allwood Homeowners Association, Darien, Connecticut, 1963-1965.
Trustee Dog Writers Educational Trust. Member English Setter Association American (vice president, past president), Dog Writers Association American Clubs: Wee Burn Country (Darien). American Kennel (New York City) (delegate, judge).
Dog Fanciers (judge best dog in show Westminster Kennel Club 1985, director), Westminster Kennel, Ox Ridge Kennel (governor, vice president), Publishers Lunch.
Married Elizabeth Roper, July 27, 1940. Children– Jean Elizabeth Howell Salembier, Maureen Anne Howell Mawicke.