Erowid received a contact telling us that the biographical information we had about Oscar Janiger was mostly wrong. Specifically, the writer claimed that Janiger had not graduated from Columbia University in New York. On Apr 30, 2008, Erowid used the service recommended by Columbia, StudentClearingHouse.org, to verify his degree at Columbia. In order to get this, we had to submit his birthdate (month, day, and year) and the college we were asking about. The service verified he'd attended Columbia with the following response:

INFORMATION VERIFIED
Name On School's Records: OSCAR JANIGER
Date Awarded............: 06/04/1946
Degree Title............: MASTER OF ARTS
Official Name of School.: COLUMBIA UNIVERSITY IN THE CITY OF NEW YORK
Major Course(s) of Study: BOTANY
Attendance Period.......: 09/1942 to 05/1944

The Columbia University degree verification also acted to verify his birthdate, Feb 18, 1918.

Other biographical information provided by Erowid was collected from David Jay Brown, who interviewed Dr Janiger, and by comparing printed biographies (such as that in LSD, Spirituality, and the Creative Process, cowritten with Marlene Dobkin de Rios) and newsletter sources.