George W. S. Abbey (JSC Director; formerly Apollo Program Manager)
    -inscribed signed copy of Discover magazine,
      Special 25th Ann. of Apollo 11
    -inscribed signed 8x10 picture
    -signed typed letter
    -inscribed signed plastic sheet

Arden Albee (Mars Observer, Mars Global Surveyor Project Scientist)
    -signed Mars Global Surveyor FDC

Kenneth Atkins (Stardust Project Manager)
    -signed typed letter

Charles Beichman (Terrestrial Planet Finder senoir project overseer) 
    -inscribed signed Discover magazine with Terrestrial
     Planet Finder on cover

Barry Bower (member of the Final Inspection Team, aka Ice Team)
    -signed 8x10 of Shuttle launch, also
     signed by Greg Katnik, Jorge Reumin [?]
     and Bob Speece
    -signed 8x10 of Shuttle landing, also
     signed by Greg Katnik, Jorge Reumin [?]
     and Bob Speece

Randy Brinkley (Space Station Manager)
    -inscribed signed 8x10 picture

Glenn Cunningham (Mars Global Surveyor Project Manager)
    -inscribed signed 8x10 Mars Global Surveyor picture

Werner Dahm
    -singed handwritten note on original request letter
    -signed copy of newspaper article
    -signed article

Terence Dickinson (noted Canadian astronomer)
    -inscribed signed copy of SkyNews magazine, of which he
       is the editor (signed on "editor's notebook" page)
    -inscribed signed copy of his book "Summer Stargazing"
    -inscribed signed copy of his book "Extraterrestrials: A Field
     Guide for Earthlings
    -initialed handwritten note on index card

Dennis Dillman (Space Shuttle Office / Shuttle Ferry Operations Manager)
    -signed note on original request letter

Freeman Dyson
    -signed Atlantic Monthly magazine on which
        his article appeared on the cover.

Jim Erickson (Galileo-Europa Project Manager)
    -2 emails
    -typed signed letter
    -signed copy of Astronomy magazine June 1998

Maxime Faget
    -signed (dated) space shuttle launch picture
    -signed (dated) picture of Buzz Aldrin on LEM ladder
    -signed (dated) portrait

Gerald Frappier (Director, International Space Station Operations, Canada)
   -typed signed letter
   -inscribed signed 8x10 -- see Canadian Space Station Management

Tom Gallagher (Mercury / Gemini / Apollo Spacecraft Technician)
    -inscribed signed picture

Everett Gibson (member of team that found possible life on Mars) 
   -signed 8x10 of ALH84001, also signed
      Kathie Thomas Keptra and David McKay

Matthew Golombek (Mars Pathfinder Project Scientist)
    -signed typed letter
    -signed Time Magazine MPF Special Report

Jennifer Harris (Mars Pathfinder Flight Director)
    -signed Newsweek magazine--July 14, 1997; "Greetings From Mars"
    -signed typed letter
    -signed envelope; first initial and last name

Samad Hayati (Long-Range Science Rover Task Manager--Rocky 7)
    -inscribed signed Rocky 7 FDC
    -short handwriten note
    -inscribed signed Rocky 7 pamphlet

Norm Haynes (Director, Mars Exploration Directorate)
    -inscribed signed MPF 5x7 picture
    -inscribed signed MPF 5x7 picture

Dr. rer. nat. Rudolf F. Hoelker (member of the rocket pioneer of Werner von Braun; Deputy Director, Aeroballistics, Army Ballistic Missile Agency)
    -signed 8x10 picture
    -signed index card
    -signed index card

John Houbolt (originator of the Lunar Orbit Rendevous method of landing men on the moon)
    -signed 8x10 picture of Aldrin on moon
    -signed 5x7 picture

G. Scott Hubbard (Lunar Prospector Mission Manager)
    -inscribed autograph on original request letter

Earle Huckins (Cassini Program Director) 
   -signed handwritten note on original request letter

Ray Jayawardhana (Discovered a solar system being born)
   -inscribed signed index card
   -signed Newsweek magazine "The Birth of Planets"
     (signed on first page of article)

James Jennings (acting deputy director, Kennedy Space Center) 
   -inscribed signed 8x10

Greg Katnik (Leader of the Final Inspection Team, aka Ice Team)
   -signed 8x10 of him inspecting Space Shuttle
     (added: Team Leader, NASA 1998
     Launch Complex 39, "Columbia")
   -signed 8x10 of Shuttle launch, also
     signed by Barry Bower, Jorge Reumin [?]
     and Bob Speece
   -signed 8x10 of Shuttle landing, also
     signed by Barry Bower, Jorge Reumin [?]
     and Bob Speece

David A. King (Space Shuttle Flight Director)
    -signed business card

Gene Kranz (Apollo / Shuttle Launch Director)
    -signed 8x10 of Harrison Schmitt on moon (added "Flight Director")
    -signed 4x6 picture
    -signed inscribed 8x10 of Space Shuttle launch
    -signed inscribed "Mission Operations" Sheet
     (added "Failure is not an option")
    -signed handwritten letter

Larry Lasher (Pioneer Project Manager)
    -email message
    -inscribed signed picture
    -signed typed letter
    -name signed on outside of envelope

Charles Llyod (deputy manager, ISS Payloads Office) 
   -inscribed signed 8x10 picture of ISS

Dale Lueck (ISS design engineering lead)
   -signed typed letter

Robert Manning (Chief Engineer of Mars Surveyor Program)
    -inscribed signed MPF 5x7 picture
    -signed MPF 5x7 picture

Michel Mayor
    -inscribed 4x6 picture
    -signed typed letter

David S. McKay (led team that found possible life on Mars)
    -signed Aug 19, 1996 Life on Mars issue of Time
    -signed small picture of Mars
    -signed 8x10 ALH84001 picture also signed
      by Everett Gibson and Kathie Thomas Keptra

John McNamee (1998 Mars Surveyor Project Manager)
    -autograph on original request letter
   -email letter

Brian K. Muirhead (Mars Pathfinder Project Manager)
    -signed typed letter
    -signed MPF FDC
    -inscribed signed 8x10 MPF picture

Robert M. Nelson (Deep Space 1 Project Scientist)
    -signed November 1997 issue of Scientific American -- in which his
        article appeared on the cover)
    -signed typed letter

Jeffrey Plaut (Magellan Deputy Project Scientist)
    -signed typed letter

Marc Rayman (Deep Space 1 Deputy Mission Manager, Chief Engineer)
    -inscribed signed 10x8 picture of DS1
    -signed typed letter
    -inscribed signed mousepad
    -inscribed signed Popular Science magazine

Jorge Reumin[?] (member of the Final Inspection Team, aka Ice Team)
    -signed 8x10 of Shuttle launch, also
     signed by Barry Bower, Greg Katnik
     and Bob Speece
    -signed 8x10 of Shuttle landing, also
     signed by Barry Bower, Greg Katnik
     and Bob Speece

Burt Ruton (aerospace pioneer)
    -signed Popular Science magazine

Donna Shirley (Manager, Mars Exploration Program Manager)
    -signed JPL letterhead

Bob Sieck (Shuttle Launch Director, Director of Shuttle Processing )
    -inscribed signed 10x8
    -signed handwritten letter

Edward Smith (Ulysses Project Scientist)
    -signed handwriten note
    -inscribed autograph on Ulysses folder

Al Sofge (former Space Shuttle Test Director, currently Ass. Shuttle Launch Director)
    -signed business card

Tony Spear (Mars Pathfinder Project Manager)
    -inscribed signed 8x11 picture of MPF launch
    -inscribed signed 11x14 picture of landscape
    -inscribed signed 11x14 picture of Sojourner
    -inscribed signed 11x14 3-D image of landscape
        from MPF

Bob Speece (member of the Final Inspection Team, aka Ice Team)
    -signed 8x10 of Shuttle launch, also
     signed by Barry Bower, Jorge Reumin [?]
     and Greg Katnik
    -signed 8x10 of Shuttle landing, also
     signed by Barry Bower, Jorge Reumin [?]
     and Greg Katnik  

Edward Stone (Voyager Project Scientist)
    -inscribed signed 8x10 picture

Jill Tarter (SETI Lead Scientist)  
   -signed handwriten note on Project Phoenix letterhead

Kathie Thomas-Keptra (member of team that discovered possible life on Mars)  
    -inscribed signed "The Case for Life on Mars" article
  -signed 8x10 of ALH84001, also signed by Everett Gibson and David McKay

Valin Thorn (engineer, ISS Program Office)
   -signed typed letter

Gary Trippensee (X-29, X-31, and X-33 Project Manager)
   -signed handwritten letter
   -signed picture of F18 Active, X-31, & F-16 MATV
   -signed picture of X-33
   -signed picture of X-29

Canadian Space Station Management  
   -9x11 picture of the ISS SSRMS (robot arm), signed by:
    Gerry Frappier   (inscribed, added "Director Operations
        Canadian Space Station Program")
    Dan McCelr [?]   (added "Mgr Ground Segment")
    Bud Coulthand   (added "Logistics & Sustaining
        Engineering Mgr")
    K. Gindl   (added "Opr & Util Planning")
    ???   (inscribed, added "Manager MSS Training")
    Colleen de Bond   (added "Manager, Mission Operations")