Birth Chart and Horoscope of Recreational mathematicians
- D. R. Kaprekar
- David A. Klarner
- Douglas Hofstadter
- Ed Pegg Jr.
- Erik Demaine
- Ernő Rubik
- Harold Scott MacDonald Coxeter
- Ian Stewart (mathematician)
- Jerry Slocum
- John Horton Conway
- Joseph Madachy
- Lee Sallows
- Martin Gardner
- María Antònia Canals
- Miodrag Petković
- Piet Hein (scientist)
- Raymond Smullyan
- Richard K. Guy
- Robert Abbott (game designer)
- Ross Honsberger
- Solomon W. Golomb
D
E
H
I
J
L
M
P
R
S
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