# Mathematician:Joseph Steven Madachy

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## Mathematician

American research chemist, technical editor and recreational mathematician.

## Nationality

American

## History

- Born: March 16, 1927 in Star Junction, Pennsylvania, USA
- Died: March 27, 2014 in Dayton, Ohio, USA

## Publications

- 1963:
*Mathematical Diversions*(with J.A.H. Hunter) - 1966:
*Mathematics on Vacation*

- 1972:
*The history and discovery of amicable numbers: part 1*(*J. Recr. Math.***Vol. 5**: pp. 77 – 93) (with Elvin J. Lee)

- 1972:
*The history and discovery of amicable numbers: part 2*(*J. Recr. Math.***Vol. 5**: pp. 153 – 173) (with Elvin J. Lee)

- 1972:
*The history and discovery of amicable numbers: part 3*(*J. Recr. Math.***Vol. 5**: pp. 231 – 249) (with Elvin J. Lee)

- 1972:
*Consecutive-digit primes - again*(*J. Recr. Math.***Vol. 5**: pp. 253 – 254)

- 1973:
*Errata to The History and Discovery of Amicable Numbers, I-III*(*J. Recr. Math.***Vol. 6**: p. 53) (with Elvin J. Lee)

- 1973:
*Errata to The History and Discovery of Amicable Numbers, I-III*(*J. Recr. Math.***Vol. 6**: p. 164) (with Elvin J. Lee)

- 1973:
*Errata to The History and Discovery of Amicable Numbers, I-III*(*J. Recr. Math.***Vol. 6**: p. 229) (with Elvin J. Lee)

- Editor of
*Journal of Recreational Mathematics*for $30$ years, then served as editor emeritus

## Critical view

*Such numbers had been much discussed by a guy called Joseph Madachy, who once upon a time had been the owner, publisher, and editor of a magazine called*Journal of Recreational Mathematics*.*- -- Lee Child:
*Never Go Back*(2013)

- -- Lee Child: