Foreword by Alan Weiss

My first view of a “partner” was watching an old black-and-white television and the great western shows of the age. The Lone Ranger had Tonto. Roy Rogers and Dale Evans were partners. Gabby Hayes seemed like a perpetual candidate for whoever needed a partner at the moment. They pronounced it “pardna.”

There were nonhuman partners. Rusty and Rin Tin Tin. Lassie and Timmie. Asta was the buddy of Nick Charles (The Thin Man). Pad Brady appeared in Roy Rogers’s movies with his partner—a jeep called “ Nellybelle.” More recently, Star Wars has provided C-3PO and R2-D2 from the outset.

We hear of “partners in crime” both in fact and colloquially. “Life partner” has entered the lexicon to indicate two people living as a committed ...

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