We offer our special thanks to Robert Kuhel, Bowen High School Alumni Association Treasurer, for the yearbook photographs. We are also grateful to Rebecca Goldman, the College Archivist at Wellesley College, for scanning the biographical files of alumnae Mabel and Marion.

Maureen T. Carroll** **is a professor of mathematics at the University of Scranton where she has been teaching the history of mathematics for over twenty years. She received the 2005 Marten M. Hasse prize for expository writing and the 2013 James P. Crawford Award for Distinguished College or University Teaching. She has been collaborating with Elyn since they met as fellows in MAA’s Project NExT.

Elyn Rykken is a professor of mathematics at Muhlenberg College. She is a St. Olaf alum who earned her Ph.D. in dynamical systems from Northwestern University. She and Maureen were participants in the *Institute in the History of Mathematics and Its Use in Teaching*, funded by the NSF. Their book, *Geometry: The Line and the Circle*, was published at the end of 2018 in the AMS/MAA Textbook Series. Mabel Sykes appeared on their mathematical radar while writing this book.