American women philanthropists

Roberta P. Crenshaw (April 17, 1914 - February 8, 2005) was an American civic leader and philanthropist. Crenshaw campaigned for over 60 years to preserve parkland in Austin, Texas and supported Austin-area cultural institutions.

Charlotte Mailliard Shultz (née Smith; September 26, 1933 – December 3, 2021) was a socialite, and philanthropist. She was the Chief of Protocol for the state of California, and the Chief of Protocol for the City and County of San Francisco. She was married to former United States Secretary of State George P. Shultz, from 1997 until his death in 2021.
Mailliard Shultz was President of the board of the War Memorial Performing Arts Center and a member of the boards of the San Francisco Symphony, Grace Cathedral, the Commonwealth Club of California, and the San Francisco Ballet. A native Texan, Mailliard Shultz often quipped about San Francisco, "... if I don't pay my dues, they may send me back to Texas!"

Katherine Loker (August 13, 1915 – June 26, 2008) was an American heiress and philanthropist. She donated tens of millions of dollars to fund university programs and infrastructure improvement at California State University, Dominguez Hills, Harvard University, and the University of Southern California (USC). She also made significant contributions to the California Museum of Science and Industry, the California Hospital Medical Center in Los Angeles, the Donald P. Loker Cancer Treatment Center, the Los Angeles Music Center, and the Richard Nixon Library in Yorba Linda, among other institutions. She was honored in 1996 with the Harvard Alumni Association Medal and in 2007 received the Presidential Medallion, the highest award of USC. Loker was awarded an honorary doctorate from USC in 1997 and an honorary Doctor of Humane Letters degree from the Harvard in 2000. In 1999, The New York Times spotlighted her leading role in philanthropy. The rose 'Katherine Loker' is named in her honor as are many facilities in California and Massachusetts.