He was a senior editor on the staff of the journal Plant Engineering for many years before retiring to write full-time, but his most famous professional engineering achievement is a contribution to the machine used to make Pringles potato chips.
Timp de mulți ani, a publicat editat Plant Engineering, înainte de a se retrage pentru a deveni scriitor full-time, dar cea mai faimoasă realizare profesională a fost o contribuție adusă mașinii de făcut chipsuri Pringles.