Complex sentence: Wilhelmina Weber Furlong (1878--1962), Early American modernist in New York City, significant contributions to modern American art were made through her work at the Art Students League and the Whitney Studio Club.
Split into simpler sentences: Wilhelmina Weber Furlong (1878--1962) was an early American modernist in New York City. She made significant contributions to modern American art through her work at the Art Students League and the Whitney Studio Club.