son (who had the subscription). He reported in July, 1975, that Kershner had finally found all the remaining convex polygons which could make #tessellations to tile the plane. The next month, a reader, Richard James III found a new convex pentagon tiler. Rice was inspired to start her own search.
She spent her spare time discretely drawing diagrams on the kitchen table which she hid when her husband, kids or friends stopped by. She succeeded by February, 1976, & wrote Gardner of her new 🧵2/n