His wife has just left him for a low-temperature physicist at Cambridge.

Frank Allen and his wife had a daughter and two sons, one of whom was John Frank Allen, a noted low-temperature physicist.

Dr. Robert B. Hallock, a physicist at the University of Massachusetts at Amherst, recently helped form a group of low-temperature physicists to lobby in behalf of small science.

Now, Agnolet is using Self-Assembled Tunnel Junctions (SATJs), a device developed by Stephen Gregory, a low-temperature physicist at the University of Oregon to get a clearer picture.