Postage Stamp for Pluto Discoverer Clyde Tombaugh

Astronomer Clyde W. Tombaugh discovered the planet Pluto on February 18, 1930. He was just 24 years old. Pluto was the only planet discovered in the twentieth century and the only one found by an Amer... continue reading »

1,000 signatures Goal: 5,000

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All Signatures (1,000 total)

801.

Teresa M 22 September 2003

802.

Dana P 11 September 2003

803.

Roberto G 28 August 2003

804.

Miguel Bennett 23 August 2003

"He discoverd Pluto and is an American. City and State La Puente, California"

805.

Jonathan C 22 August 2003

"awesome! City and State CA"

806.

Michale H 16 August 2003

"Awesome City and State Alhambra, CA"

807.

Sasha Ford 13 August 2003

"В City and State В"

808.

Alvin M 1 August 2003

"Dude, the man deserves a stamp City and State В"

809.

Kristen L 28 July 2003

810.

Aaron P 27 July 2003

"GIVE IT TO HIM City and State Ladera Ranch CA"

811.

Travis F 9 July 2003

812.

Sandy B 2 July 2003

813.

Louis P 15 June 2003

"I'm an 8th grade science teacher City and State fullerton, ca"

814.

Holly H 6 June 2003

815.

Tanya V 1 June 2003

816.

Michelle R 31 May 2003

817.

John A 24 May 2003

818.

Autumn D 23 May 2003

819.

Dan F 13 May 2003

820.

David R 8 May 2003

821.

Elsa S 6 May 2003

822.

Debbie S 27 April 2003

823.

Diana N 22 April 2003

"For Bean...so he can shut up about it! City and State Costa Mesa, California"

824.

David S 21 April 2003

825.

Christine Fowler 18 April 2003

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