Here are the FS Person IDs for the Founders that I was able to find:
Ethel Brown Distin: L8QT-LS1 https://www.familysearch.org/tree/person/details/L8QT-LS1
Estelle Shephard Beswick: LL3M-3QZ https://www.familysearch.org/tree/person/details/LL3M-3QZ
Emily Helen Butterfield: LC77-15F https://www.familysearch.org/tree/person/details/LC77-15F
Edith MacConnel Hickock: G94W-99Z https://www.familysearch.org/tree/person/details/G94W-99Z
Georgia Otis Chipman: GVNY-ZLK https://www.familysearch.org/tree/person/details/GVNY-ZLK
Grace Mosher Harter: LLCJ-QLP https://www.familysearch.org/tree/person/details/LLCJ-QLP
Marguerite Shephard: LL3M-QX5 https://www.familysearch.org/tree/person/details/LL3M-QX5
Flora Knight Mayer: KL5N-9X6 https://www.familysearch.org/tree/person/details/KL5N-9X6
Georgia Dickover: LKND-HT9 https://www.familysearch.org/tree/person/details/LKND-HT9
Mary Louise Snider: Haven’t figured hers out
Jennie Titus Smith Morris: Haven’t figured hers out