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RONALD WAYNE Hand Signed Autograph 4X6 Photo - CO FOUNDER APPLE COMPUTER

$ 7.48 $ 4.48

George Gaylord Simpson- Signed Newspaper Photo (Paleontologist)

$ 0.87 $ 0.52

Edwin A. Link - Flight Simulator Inventor/Aviation&Submersible Pioneer/Signed Pg

$ 0.87 $ 0.52

James Watson - Nobel Prize Winning Physicist, DNA - Autographed 3x5 Card

$ 0.87 $ 0.52

John Bardeen - Co-Inventor of the Transistor/Only 2xNobel in Physics/Signed Card

$ 4.84 $ 2.9

Frank Slaughter- Signed Card from 1959 (Author C.V. Terry)

$ 1.1 $ 0.66

George Goddard - Air Force Brig Gen/Pioneer in Aerial Photography/Signed Print

$ 0.87 $ 0.52

John A. Wheeler - Theoretical Physicist/ Nuclear Fission/Black Hole/Signed Quote

$ 7.04 $ 4.22

Albert Schweitzer (1875-1965) - Nobel Prize - Rare signed book - 1950 - COA

$ 202.39 $ 121.43

Dr Jonas Salk signed 1984 Health Research first day cover created Polo vaccine.

$ 132 $ 79.2

Edwin E. Salpeter- Signed First Day Cover (Astrophysicist)

$ 0.87 $ 0.52

DECEASED U. S. SUBMARINE INVENTOR "SIMON LAKE" 1932 SIGNED CHECK

$ 21.99 $ 13.19

E.G. Alden Whale Sperm Oil Billhead 1857, Boston & Providence Railroad Autograph

$ 22 $ 13.2

Linus Pauling - Nobel Prize in Chemistry - Autographed 3x5 Card

$ 0.87 $ 0.52

Norman Borlaug Nobel Peace Prize Winner signed photo Saved 1 Billion Lives

$ 17.59 $ 10.55

R. Norris Shreve- Signed Card from 1961 (Chemical Engineer)

$ 0.87 $ 0.52

3 Nobel Prize Autographs

$ 13.19 $ 7.91

Chernobyl Nuclear Disaster Diver Hero Stopped meltdown Authent Autograph

$ 17.59 $ 10.55

Irving Michelson- ANS from 1968 Signed (Aerospace Engineer)

$ 0.87 $ 0.52

"Δ9-tetrahydrocannabinol" Raphael Mechoulam Signed Album Page Todd Mueller COA

$ 439.99 $ 263.99

JAY W. FORRESTER - BOOK SIGNED 11/06/1999

$ 316.8 $ 190.08

JOSEPH HENRY - MANUSCRIPT LETTER SIGNED 10/29/1875

$ 418 $ 250.8

Martin Gibbs Signed Photo Autographed Scientist Signature Photograph

$ 39.6 $ 23.76

Uri Geller Signed Photo Postcard Autographed Mentalist Author

$ 39.6 $ 23.76

Kenneth Pitzer Signed Card Autographed Signature Scientist Chemist

$ 39.6 $ 23.76

Thomas Edison Signed Autographed Photo BECKETT BAS LOA

$ 1759.99 $ 1055.99

"Great People of the 20th Century" Hand Signed 8X10 Page By 10 Todd Mueller COA

$ 1759.99 $ 1055.99

"Science Advisor To Pres Ford" Guyford Stever Signed 4X6 Card JG Autographs COA

$ 87.99 $ 52.79

Henry Heimlich Signed Index Card Choking Maneuver Autograph PSA/DNA

$ 40.43 $ 24.26

SCIENCE-NATURALIST INSECT ENTOMOLOGIST EDUCATOR ANNE COMSTOCK LETTER SIGNED 1896

$ 8.79 $ 5.27

Steve Woz Wozniak SIGNED 5.25" Floppy Disk Apple II Founder PSA/DNA AUTOGRAPHED

$ 74.8 $ 44.88

LOUIS PASTEUR. Autograph Letter, SIGNED Paris 1882 re. vaccinated sheep

$ 2640 $ 1584

Vinton Cerf - "Father of the Internet" - Autographed Business Card

$ 8.8 $ 5.28

TETRIS GAME CREATOR ALEXEY PAJITNOV SIGNED AUTHENTIC 8x10 PHOTO w/COA NINTENDO

$ 87.99 $ 52.79

J. Allen Hynek UFO Expert Letter Signed

$ 87.99 $ 52.79

ESTEVAN ORIOL SIGNED & SKETCHED LA ORIGINALS PHOTOGRAPHER 11x14 ART CANVAS w/COA

$ 351.99 $ 211.19

PHOTOGRAPHER ESTEVAN ORIOL SIGNED & SKETCHED LA ORIGINALS 11x14 ART CANVAS w/COA

$ 351.99 $ 211.19

** SEYMOUR BOGDONOFF HYPERSONIC FLIGHT THEORY SIGNED LETTERS & RESEARCH PAPERS!!

$ 83.6 $ 50.16

DAVID PACKARD, Co-Founded Hewlett-Packard, Autograph on First Day Cover

$ 110 $ 66

WILLIAM A. HIGINBOTHAM - TYPED LETTER SIGNED 02/07/1975

$ 299.2 $ 179.52

Paul Flory (Nobel Prize Chemistry 1974) Hand Signed Photograph

$ 30.8 $ 18.48

Dr David Kring Geologist signed autographed postcard Asteroid Extinction Event

$ 11.84 $ 7.1

Steve Woz Wozniak SIGNED 8x10 Photo Think Different Apple II PSA/DNA AUTOGRAPHED

$ 70.4 $ 42.24

Thomas Exley SIGNED AUTOGRAPHED Handwritten MS Letter to Samuel Drew 1821

$ 131.95 $ 79.17

William Shearman (1767-1861) Signed Paper w/ Seal Autographed British Physician

$ 17.59 $ 10.55

Steve Woz Wozniak SIGNED 8x10 Photo Apple I Computer Jobs PSA/DNA AUTOGRAPHED

$ 74.8 $ 44.88

Wolfgang Ketterle - Nobel Prize Winner in Physics - Autographed Photo

$ 7.03 $ 4.21

CHARLES E. DURYEA Inventor 1st American AUTOMOBILE 1913 SIGNATURE CUT

$ 11 $ 6.6

Steve Woz Wozniak SIGNED 8x10 Photo Apple 1 Computer + INSC PSA/DNA AUTOGRAPHED

$ 74.8 $ 44.88

Sigmund Freud - Typed Letter Signed - Provides Glowing Letter of Recommendation

$ 3960 $ 2376

LUTHER BURBANK - AUTOGRAPH DOCUMENT TWICE SIGNED 10/06/1923

$ 616 $ 369.6

THOMAS A. EDISON - AUTOGRAPH NOTE SIGNED

$ 1408 $ 844.8

Cosmetic Businesswoman Elizabeth Arden (Dec.-1966) PSA/DNA autograph 1965 Letter

$ 55.61 $ 33.36

Steve Woz Wozniak SIGNED 8x10 Photo Apple 1 Computer + INSC PSA/DNA AUTOGRAPHED

$ 79.2 $ 47.52

Ronald G. Wayne - APPLE Co-Founder - Autographed Business Card

$ 11.44 $ 6.86

Leroy Hood - American Biologist - Autographed Business Card

$ 8.8 $ 5.28

ROBERT A. MILLIKAN - AUTOGRAPH

$ 193.6 $ 116.16

TIM COOK SIGNED AUTOGRAPH EXTREMELY RARE APPLE 8x10 PHOTO STEVE JOBS PSA DNA B

$ 792 $ 475.2

E.A. Wallis Budge Egyptologist Signed Letter 1926 / Autographed / Queen Mary

$ 430.32 $ 258.19

Ferenc Pavlics engineer developer Nasa Lunar Rover signed autographed photo

$ 17.6 $ 10.56

THOMAS A. WATSON - AUTOGRAPH LETTER SIGNED 09/01/1931

$ 792 $ 475.2

Lucien Warner- Signed Card from 1961

$ 4.4 $ 2.64

AVIATION AERONAUTICAL ENGINEER PAUL MACCREADY ORIGINAL AUTOGRAPH ON FDC!

$ 6.99 $ 4.19

1954 K.L. Frost signed "Signaling Device Patent",with Manufacturer Agreement

$ 8.79 $ 5.27

HARVEY W. CUSHING - TYPED LETTER SIGNED 04/07/1923

$ 1980 $ 1188

DJ MELDRUM, Bigfoot Scientist, Signed Autographed Card

$ 22 $ 13.2

LEE DE FOREST - TYPED LETTER SIGNED 04/16/1930

$ 440 $ 264

Peter Hochachka- Signed Seminar Paper (Zoologist)

$ 4.4 $ 2.64

Ralph Baer Father of Video Games Odyssey signed 5x7 photo Beckett BAS COA Auto

$ 176 $ 105.6

Thomas Edison signed 5x8 cut inscribed note JSA LOA Inventor d.1931 Z201

$ 879.12 $ 527.47

Steve Woz Wozniak SIGNED 11x14 Photo Jobs Apple II Computer PSA/DNA AUTOGRAPHED

$ 118.8 $ 71.28

Albert Einstein Authentic Hand Signed Autograph -Framed

$ 836 $ 501.6

GLENN T. SEABORG - AUTOGRAPH

$ 176 $ 105.6

JOAN MERRIAM SMITH - FIRST DAY Issue Stamp 2 AUTOGRAPHs Aviation Signature Look!

$ 79.2 $ 47.52

THEODOR REIK - AUTOGRAPH LETTER SIGNED 09/10/1954

$ 440 $ 264

JOHANN FRANZ ENCKE - AUTOGRAPH DOCUMENT SIGNED

$ 660 $ 396

STS 61-A Challenger Astronaut Bonnie Dunbar. AUTOGRAPH,HAND SIGNED

$ 4.4 $ 2.64

Martin Cooper - Inventor of the 1st Mobile Phone - Autographed Business Card

$ 8.8 $ 5.28

Michael DeBakey - Famed Heart Surgeon - Signed 3x5 Index Card

$ 0.87 $ 0.52

Leonard Kleinrock "internet" signed business card

$ 154 $ 92.4

1954 K.L. Frost signed "Signaling Device Patent",with Manufacturer Agreement

$ 8.79 $ 5.27

Inventor Jack Kilby Signed Autograph First Day Cover FDC - PSA DNA - FREE S&H!

$ 87.95 $ 52.77

KONRAD ZACHARIAS LORENZ - AUTOGRAPHED INSCRIBED PHOTOGRAPH 02/04/1985

$ 704 $ 422.4

NEIL DEGRASSE TYSON SIGNED 5X7 PHOTO CARD JSA COA AUTOGRAPH

$ 87.99 $ 52.79

HOWARD HUGHES - AUTOGRAPH LETTER DOUBLE SIGNED CO-SIGNED BY: JEAN PETERS

$ 4400 $ 2640

"Theoretical Chemist" Henry Eyring Hand Signed 2X3 B&W Photo Todd Mueller COA

$ 439.99 $ 263.99

Franky Zapata Flyboard Flyboard Air Inventor Signed Autograph Photo Display

$ 35.19 $ 21.11

Thomas Edison - Autograph Letter Signed re Theodore Roosevelt's Death - JSA LOA

$ 1760 $ 1056

Surgeon who developed Heimlich Maneuver signed Dr. Henry Heimlich

$ 17.59 $ 10.55

Steve Woz Wozniak SIGNED 8x10 Photo Apple II Computer Jobs PSA/DNA AUTOGRAPHED

$ 83.6 $ 50.16

Cosmetic Businesswoman Elizabeth Arden (Dec.-1966) PSA/DNA autograph 1962 Letter

$ 57.36 $ 34.42

Thomas Edison * PSA/DNA Slab * "Sell Records" Autograph Handwritten Note Signed

$ 1100 $ 660

SIR TIM BERNERS-LEE HAND SIGNED AUTOGRAPH 8X10 PHOTO COA TIMBL WORLD WIDE WEB

$ 211.19 $ 126.71

Carl Sagan Signed Autographed Meet The Press Program JSA Certified Cosmos

$ 527.95 $ 316.77

Leroy Hood Signed 8x10 Photograph Signature Autograph Biologist Photo

$ 44 $ 26.4

Louis Pasteur SIGNED AUTOGRAPHED Visiting Card ENVOI

$ 1100 $ 660

E O Wilson biologist naturalist signed autographed photo father of biodiversity

$ 43.95 $ 26.37

Steve Woz Wozniak SIGNED 8x10 Photo Apple I Computer Jobs PSA/DNA AUTOGRAPHED

$ 83.6 $ 50.16

Steve Woz Wozniak SIGNED NEW Apple HD High Density Disk Mac PSA/DNA AUTOGRAPHED

$ 88 $ 52.8

Buzz Aldrin APOLLO 11 NASA autograph, signed photo

$ 421.68 $ 253.01