The first floor of building 24 contains three boards with pictures of the members of Course 22. As mentioned in the second line, we are looking at the center board (the one between 24-109 and 24-111). There are seven descriptions of pictures, corresponding to the following people:
Look at the faces of these engineers Focus on those in the center board here. One looks out on many ships at a dock; BRITTANY GUYER One guides a horse in a leap--what a jock(ey). ASHLEY FINAN One and his wife with binoculars roam; RICHARD LESTER One stands in front of the Charles and the Dome. YOU HO LEE Faces in caricature here look out proud, OLGA PARKIN As one lies on his back under the clouds. NEIL TODREAS White tie and black shirt--last one's cool, with no doubt STEFANO PASSERINI From their names find a topic they might talk about.
The first letters of their names spell BARYONS.