“Velikovsky’s Challenge to Science”
A Symposium held by
the American Association for the Advancement of Science
on February 25, 1974 in San Francisco

Transcripts of the Morning and Evening Sessions, transcribed and edited by Lynn E. Rose.

“My Challenge to Conventional Views in Science,” Velikovsky’s keynote address.

“Afterword,” a concise reply by Velikovsky to his critics, originally intended for the planned symposium publication.