Ruth Nickerson (1905-1997) was a Works Progress Administration (WPA) artist, direct stone sculptor, art educator and teacher in White Plains, New York. Nickerson was married to Edmund Greacen, Jr., son of painter Edmund Greacan. She studied art at the Detroit School of Applied Art, the National Academy school and at the Beaux Arts Institute of Design in New York. She also studied direct carving techniques with Ahron Ben-Shmuel.
Nickerson's major works include a large bust of Abraham Lincoln (1962) which she donated to the Queens Library in New York City, The Dispatch Rider (1937) and American Oriental Rug Weaving (1941) as part of the Federal Public Works of Art Project, a New Deal WPA initiative which employed artists to create work for display in non-federal public buildings. In addition to being selected for the Federal Arts Project, Nickerson was also chosen as a Guggenheim Fellow in 1946 and won numerous awards throughout her career including the Saltus Gold Medal. She also served as member and juror for many professional organizations such as the National Sculpture Society and the National Academy of Design. She taught courses at various institutions including the Grand Central School of Art and the National Academy of Design.