Jan Klapetzky said:
In Sept. 1973, I had been working at Kodak three years and decided to start a monthly poker group. I had several people interested. I was in Photo Tech and Don was doing materials science in Building 35. I recall asking if he played poker and I remember a yes and a smirk. He was very good, probably the best but not by much. The group is still going after 38 years. Don played until a maybe a year ago when his skill didn't meet his standards so he quit. From a pure science standpoint, he was one of the smartest people I ever worked with.