Birth Chart and Horoscope of Recreational mathematicians

D

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• D. R. Kaprekar
• David A. Klarner
• Douglas Hofstadter

E

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• Ed Pegg Jr.
• Erik Demaine
• Ernő Rubik

H

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• Harold Scott MacDonald Coxeter

I

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• Ian Stewart (mathematician)

J

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• Jerry Slocum
• John Horton Conway
• Joseph Madachy

L

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• Lee Sallows

M

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• Martin Gardner
• María Antònia Canals
• Miodrag Petković

P

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• Piet Hein (scientist)

R

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• Raymond Smullyan
• Richard K. Guy
• Robert Abbott (game designer)
• Ross Honsberger

S

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• Solomon W. Golomb