Theodore
von Kármán

Caltech (Fluid Dynamics and Combustion Tree)


William R.
Sears

University of Arizona (Fluid Dynamics and Combustion Tree)


Jakob
Ackeret

ETH Zürich


Nicholas
Rott

ETH Zürich


David Vernon
Widder

Cambridge (Econometree)


Harry
Pollard

Purdue (MathTree)




Mohamed
Hafez

UC Davis

Alexander V.
Shatalov

UC Davis
(Options)

Alexander ShatalovX