Challenge 10: No Cheating — SOLVED

Update 2017-10-22: We have a winner! Stackexchange user M Oehm solved the puzzle today. It took him one day, which means he is awarded 1 point on the Leaderboard. (The puzzle is older than one day, but I just posted it today on Puzzling.Stackexchange, and that’s where he solved it.) Read the solution here.

Here’s Challenge #10 for October 15, 2017.

NO CHEATING

Today’s cipher is a famous cryptographic method known for its economy, ingenuity, and difficulty in cracking. Its inventor created all sorts of cool things, including musical instruments, a timepiece especially useful at the North Pole, and the earliest ancestor of the Oculus Rift. Aside from this cipher, which does not bear his name, he is most famous for co-inventing a means of communicating at long distances.

The key to unlocking the mystery is his name. Good luck!

The ciphertext is:

WXYCNW LAHWNZ WONSNI LEXAPE OSMWOW RCSRQC AZ

With CodeAWeek.com, I hope to release one cipher, puzzle, or mystery each week. Anyone can attempt to solve. The winner is the first person to send a correct solution and a description of the solve method to codemaster@codeaweek.com. Once a correct solution is e-mailed, I will publish a follow-up post, congratulating the winner and revealing the secrets of the code.

You may post questions or theories in the comments, but DO NOT POST SOLUTIONS. E-mail them to codemaster@codeaweek.com.

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