Alfred Carlton Gilbert (February 13, 1884 – January 24, 1961) was an American inventor, athlete, toy-maker and businessman. Born in Salem, Oregon and died in Boston, Massachusetts, Gilbert is best known as the inventor of the Erector Set.

Alfred Carlton Gilbert (February 13, 1884 – January 24, 1961) was an American inventor, athlete, toy-maker and businessman. Born in Salem, Oregon and died in Boston, Massachusetts, Gilbert is best known as the inventor of the Erector Set.