Bill Eaton, Rosalind Sharpe Wall, and four others attended, including Dr. Ralph Metzner, who wrote an introduction to T: the New Tarot.
Ralph Waldo Emerson | Ralph Lauren | Ralph Nader | Ralph Vaughan Williams | Ralph Fiennes | Ralph Steadman | Ralph Macchio | Ralph Bunche | Ralph Bakshi | Ralph Richardson | Ralph Stanley | Ralph McTell | Ralph Ellison | Ralph Jordan | Ralph | Ralph Abercromby | Ralph Molnar | Ralph Records | Ralph Peterson, Jr. | Ralph Klein | Ralph H. Fowler | Ralph Tresvant | Ralph Moore | Ralph Wilson | Ralph Terry | Ralph "Shug" Jordan | Ralph Peterson | Ralph Percy, 12th Duke of Northumberland | Ralph Inzunza | Ralph Darling |
The conference was attended by both counterculture figures such as Timothy Leary PhD, Allen Ginsberg, Ram Dass, Stephen Gaskin, and Ralph Metzner PhD, as well as early psychedelic researchers including Oscar Janiger, MD, William McGlothlin, PhD, Stanley Krippner, PhD, Claudio Naranjo, MD and Willis Harman PhD.
The Library's advisory Board of Trustees included a number of eminent researchers and writers, including Chauncey Leake, Richard Evans Schultes, Albert Hofmann, Alexander Shulgin, Andrew Weil, Oscar Janiger, Ralph Metzner, Laura Huxley, Allen Ginsberg, Weston LaBarre, R. Gordon Wasson, Tod H. Mikuriya, and Lawrence Ferlinghetti.