When she died at age 94, the USCF still had her listed: Gresser, Gisela Kahn (WIM) USA 2090. Here Gresser (White) hands Lyudmila Rudenko, who won the Women's World Championship in this event with 11* points out of 15 games (+9 =5 -1), her only defeat.
Gresser
Lyudmila Rudenko