She was a member of the art colony in New City, New York, and "recognized as a master" of painting on glass.
[1][2] Her mother, Martha Dickinson, was a painter and Kantor took painting lessons from Maurice Prendergast at a young age.
[2] She subsequently studied under Hugo Robus and William Zorach at the Modern Art School in New York City.
[1] Kantor joined an art colony in New City, New York co-founded by her former teacher Hugo Robus and another artist, Henry Varnum Poor in 1918.
[1] Kantor resided on South Mountain Road in New City, New York,[2] and she summered in Provincetown, Massachusetts.