3 ms·id assumed as much since seeing jurassic park in 1996by modzu 9d agoid assumed as much since seeing jurassic park in 1996kilroy123 9d agoIt's actually older, from 1993.dofm 9d agoIt's in the book. So 1990. Internet says the inspiration for Alan Grant is Robert Bakker, and his first writings on it were in 1968: https://en.wikipedia.org/wiki/Robert_T._Bakker https://en.wikipedia.org/wiki/Robert_T._Bakker