"Hey, Gordon!"
Gordon Marlow, Ph.D., straightened up and turned in the direction of the voice, the garden trowel dangling in his dirt-stained white canvas glove. His wide mouth broke into a smile that revealed even white teeth. It was Harold Harper, an undergraduate student, who had called.
"Hop over the fence and come in," Gordon invited.
He dropped the trowel and, taking off his work gloves, reached into his pocket and extracted an old pipe....
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