Andrew Appel's research group at Princeton University, November 2015.
Left to right: Katherine Ye (undergraduate), Steven Lyubomirsky (undergraduate), Naphat Sanguansin (undergraduate), Qinxiang Cao (PhD student), Santiago Cuellar (PhD student), Andrew Appel (professor), Jean-Marie Madiot (postdoc), Lennart Beringer (research scientist), Zoe Paraskevopoulou (PhD student), Nick Giannarakis (PhD student). Not pictured: Olivier Savary Belanger (PhD student).

Countries represented: USA, Thailand, China, Colombia, France, Germany, Greece, Canada.