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About the Author

Photo of Moshe Rubin (2019)

Moshe Rubin, the author of Fathom It!, is a Software Cyber Security Researcher at JSOF Technologies in Jerusalem, Israel. He holds a B.Sc. in Computer Science, and has been a Windows programmer since the days of Windows 2.0 (a long time ago!).

When not occupied with his professional work or improving Fathom It!, he has been known to publish technical articles in prestigious magazines, such as Windows Tech Journal, Windows Developer's Journal, and Cryptologia. He is the former contributing editor of the "Battleships" puzzle column in the "GAMES" and "World of Puzzles" magazines, and provides Solitaire Battleship puzzles to puzzle publishers around the world.

His other interests are playing the English Concertina and the Classical Guitar, researching and blogging about classical cryptanalysis, and trying to explain the intricacies of Fathom It! to his wife Rochelle and children (Nachum, Chani, Dvora, Tzivya, Shoshana, Elisheva, Betzalel, and Malka Bracha).

The author can be contacted at the following e-mail address:

or at the following mailing address:

This page last modified on: 4 June 2021