Lets get this right.
Crichton studied anthropolgy back in the 1960s.
Since then he has ran a mega sucessful computor company in the eighties, pioneering special effects for the film industry,
has written all those novels, Jurassic park Andromeda Strain, etc.
He has even won a bloody Emmy award for writing "ER"...
etc etc.
He has not been writing academic studies, but been making tv programmes,writing best sellers, and collecting entertainment awards
check out his
biography
This is not the CV of a scientist.
What ever the man studied back in the day, this man is in
showbusiness