With 23 speakers, unfortunately there is not yet a photo in hand with all together.  This is one of best.
Back row: Nick Pope, Paola Harris, Richard Dolan, Linda Moulton Howe, Jim Marrs and Grant Cameron.
Front row: Dr. William Birnes, Cheryll Jones, Richard Hoagland, SB, Dr. Tom Van Flandern, Stanton Friedman.
Photo courtesy of Jim Boka