"The mysterious John Hammond--Shady investor, multi-millionaire, jovial mad-scientist." —Narrator(src) Doctor John Parker Hammond (film and Trespasser canons), or John Alfred Hammond (novel canon), was the CEO and creator of Jurassic Park. He founded the company InGen and the Hammond Foundation. He had at least one daughter, two grandchildren (Tim and Lex Murphy), a sister (as Hammond's nephew has the surname of Ludlow, not Hammond) and a nephew, Peter Ludlow.