Who is Dr. David Rigler from Genie: A Scientific Tragedy and what is their importance?

David Rigler was the head psychologist in the department of psychiatry at Childrens Hospital in 1970 when Genie was first brought there. Rigler was brought in on her case immediately and was the one who wrote the grant for research funds in Genie's case based on his past experience as a grant writer for the NIMH.