By most measures, my father qualifies as a member of America’s “Greatest Generation.” His assignment to a secret military operation kept him from feeling or being fully recognized as part of that group.

Learning with Math Machines has been a central part of my life since 2007 and I cherish the good times of working with Robert Chaney, Marta Gruesbeck, Jason Andrew, Marion Prince and the many teachers who participated in our workshops. After 13 years, however, the new environment of COVID-19 has made it clear that our system of extended in-