I have to plug Dr Octave Levenspiel. Levenspiel was a professor emeritus when I did my undergrad. He did much of the work on industrial fluidized beds among other things. The elephant curve discussions were a criticism of the complex multi-parameter fitting for heterogenous catalysis of the time. https://levenspiel.com/elephants/
He tried for a while to get an aerodynamics paper published on the flight of dinosaurs. http://levenspiel.com/wp-content/uploads/2016/02/DinosaurW.p...
This intellectual curiosity reminded me a bit of Feynman and his plate spinning.