I only started getting aviation autographs a few years ago but have been both lucky and attended a few reunions:
Around 25-30 Flying Tigers
About 15-20 Black Sheep VMF 214
About 10 Doolittle Raiders
5 Memphis Belle crew
9 of the 16 pilots of the Yamamoto mission
Paul Tibbets, Dutch Vankirk, Tom Ferebee Enola Gay crew
Charles Sweeney, Fred Olivi Bock's Car crew
3 Berlin Airlift pilots including Candy Bomber Gail Halvorsen
5 pilots of the 57th FG
Archie Donahue
Dean Caswell
Joe Foss - MOH
Don Blakeslee
JH Bennett
Johnnie Johnson - RAF
Bud Maharin
Marion Carl
Jerry Johnson
Bud Anderson
Walter Goehausen
Bud Peterson
Roy Evans
Gabby Gabreski
Fred Christiansen
Sandy McCorkle
Jack Ilfrey - A gentlemen beyond words, called me just to talk about planes. I later found out he did this a lot but it still meant the world to me.
Robert L Scott - Ditto, sent me a photo of the Great Wall from his personal collection.
Butch Voris
Hamilton McWhorter
Arthur Fiedler
Steve Pisanos
Lee Archer, Roscoe Browne - Tuskegee Airmen
Bill Hardy
George Carpenter
Swede Vejtasa
Jim Swett - MOH
Bruce Porter
Bob Goebel
Robin Olds
Herky Green
Jim Goodson
Alex Vraciu
Jim Benz
Billy Edens
Ken Walsh
George Gay - VT-8 Battle of Midway
Dan Carmichael
Lowell Brueland
Paul Conger
Jim Brooks
Ken Dahlberg
Don Strait
Bob Barkey
Gerald Brown
Nathan Green - MOH PBY pilot
Thomas Hudner - MOH, everyone should know how he earned it.
Jay Zeamer - MOH B-17 pilot
Jefferson Deblanc - MOH
Robert Galer - MOH
Gunther Rall - Luftwaffe
Bob Winks
Jack Walker
Donald Gordon
Diz Laird
Jerome Jacobs - local pilot of the 357th
Neville Duke - RAF/Test Pilot
Dale Karger
Walter Lundin
Ted Crosby
Barrie Davis
Rosie Rosenthal legend of the Bloody 100th
Cook Cleland (I met him, his crew chief and the plane he flew in Korea)
Guy Bordelon - last prop ace Korea
Boots Blesse
William Wescott
Ralph Parr
Clyde Curtin
Robbie Risner
Randy Cunningham/Willy Driscoll - Only USN Vietnam aces
Leo Thorsness - MOH, Thud pilot
John Miller - Autogiro pilot
Some WWII non-aces and ground crew, no glory but just as important.
Test Pilots (overlap on planes flown)
X-1 - Chuck Yeager, Slick Goodlin, Fred Ascani, Scott Crossfield, Pete Everest, Bob Champine, Gus Lundquist, John Griffith
YB-49 - Bob Cardenas, Chuck Tucker (X-4)
XB-70 - Joe Cotton, Fitz Fulton, Don Mallick, Al White
B1 - Charles Bock
Joe Kittinger - Mach 1 without a plane.
Bruce Peterson - 6 Million Dollar Man crash
X-15 - Robert White, Scott Crossfield, Pete Knight, Bill Dana, Joe Engle
X-1B - Horace "Dude" Hanes
F-22 - Paul Metz
Buddy Brown local SR71 pilot
Bob Hoover - legend
Gordon Fullerton
Spaceship One - Mike Melvill, Brian Binnie
Several Mercury, Gemini, Apollo era astronauts and a few Shuttle astronauts.
and a Avenger pilot named George Bush.
BK