Earlier quoted context omitted.
If you draw a venn diagram for jocks, hippies and nerds, the point where the three circles intersect is where you find climbers.
Frank Sacherer worked at CERN: http://www.rockandice.com/lates-news/tnb-forgotten-hero-fran...
Hans Kraus was JFK's back doctor (https://en.wikipedia.org/wiki/Hans_Kraus)