Who are the top theorists presently doing "twilight language" research? Here is my list. They are given alphabetically by their first names, so as not to show any preference or ranking.
(1) Adam Gorightly, author of 2003's The Prankster and the Conspiracy: The Story of Kerry Thornley and How He Met Oswald and Inspired the Counterculture, and 2008's James Shelby Downard's Mystical War.
(2) Adam Parfrey, publisher at Amok Press & Feral House; editor/author of numerous works, including 1988's The Manson File, 1990's Apocalypse Culture, 1995's Cult Rapture, 2000's Apocalypse Culture II; and coauthor of 2012's Ritual America.
(3) Andrew W. Griffin, creator of Red Dirt Report.
(4) Christopher Knowles, creator of The Secret Sun.
(5) Craig Heimbichner, author of 2005's Blood on the Altar, coauthor of 2012's Ritual America.
(6) Greg Bishop, author of 2000's Wake Up Down There! Excluded Middle Anthology, 2005's Project Beta: The Story of Paul Bennewitz, National Security, and the Creation of a Modern UFO Myth, and other works.
(7) Henrik Palmgren, creator of Red Ice Radio.
(10) Loren Coleman, author of 1987's Suicide Clusters and 2004's The Copycat Effect, and the creator of this Twilight Language blog. (To exclude myself seemed beyond modesty.)
(14) Theo Paijmans, author of 2004's Free Energy Pioneer and 2008's The VRIL Society.
(15) Tim Binnall, creator of Binnall of America.
(16) Todd Campbell, creator of Through the Looking Glass.
Some significant theorists have passed away, so with a historical ranking by death date, here they are:
(17) James Shelby Downard (March 13, 1913 – March 16, 1998), author of 2006's The Carnivals of Life and Death, and essays, including “King-Kill/33: Masonic Symbolism in the Assassination of John F. Kennedy” and “Sorcery, Sex, Assassination."
(19) Robert Anton Wilson (January 18, 1932 – January 11, 2007), coauthor of 1975's The Illuminatus! Trilogy; author of 1973's The Sex Magicians, 1979-1981's Schrödinger's Cat Trilogy, 1977-1995's Cosmic Trigger Trilogy, and other works.
Special note: Some theorists and researchers shall remain unnamed and invisible from this list due to the low profile they wish to keep. My sincere thanks to them and all those above who have freely exchanged intellectual ideas and data in this field.