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)

51.

Geoff W 12 April 2015

52.

Allison Km 31 March 2015

53.

Theresa C 25 March 2015

"Pluto Rules :( City and State LA, Ca"

54.

Sandy G 21 March 2015

"YAY FOR CLYDE!! City and State ONTARIO, CALIFORNIA"

55.

Lisa C 18 March 2015

56.

Michael W 18 March 2015

57.

Daniel D 6 March 2015

"He is a hero to our nation, if anyone deserves, he does. City and State Westminster, California"

58.

George P 23 February 2015

59.

Danyn O 17 February 2015

60.

Ray A 30 January 2015

"Free Tubet City and State San Gabriel,Ca"

61.

Josh M 24 January 2015

"Great Guy"

62.

Brooke Colon 19 January 2015

63.

Angelica A 15 January 2015

64.

Molly S 15 December 2014

65.

Adriana A 3 December 2014

66.

Denise N 26 November 2014

67.

Ryan B 26 November 2014

"В City and State Villa Park, CA"

68.

Lonzie B 23 November 2014

69.

Treena K 22 November 2014

70.

Renae C 14 November 2014

71.

Elizabeth R 12 November 2014

72.

Nicholas O 10 November 2014

"Pluto is the coolest planet ever, so the discoverer of such an amazing planet must deserve an amazing stamp. Its the substitution property of equality! City and State Costa Mesa, CA"

73.

Mesalina C 6 November 2014

74.

Jennifer B 4 November 2014

75.

Wesley J 2 November 2014

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