<Li> 1951--55: Lucille K. Forer </Li> <Li> 1956--58: Meredith J. Marks </Li> <P> Ruth Hubbard Cousins (born May 21, 1920) was one of the society's most famous executive directors, serving for more than 33 years (December 1958--October 1991). She died on January 11, 2007 . </P> <P> After Cousins retired as executive director, Kay Wilson (born September 21, 1939) took over as executive officer (the title changed, but her position still functioned as executive director) from October 1991 until her death in June 2003, of cancer . </P>

When was the aps founded what is the size of its present membership