Freelance math and puzzle writer. Column @sciam | daily puzzles @MorningBrew
Joined March 2023
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This mathematician proved a brilliant theorem to justify his social awkwardness
scientificamerican.com/artic…
Jack Murtagh retweeted
In December’s issue of Games World of Puzzles, Ray Simon wrote about “Morning Brew’s Book of Crosswords.”
It features puzzles by Mary Tobler & Jack Murtagh.
He described them as “Pleasing puzzles from two constructors conversant with business, technology, and current events.”
ALT Review of Morning Brew’s Book of Crosswords in Games World of Puzzles Magazine, December 2025
Indiana’s House of Representatives once voted unanimously to change the value of pi
scientificamerican.com/artic…
What’s the largest couch that can turn a corner? After 58 years, we finally know
scientificamerican.com/artic…
Mathematicians are still making new discoveries about Venn diagrams
scientificamerican.com/artic…
I had a great time on the Science Friday show discussing the new record-breaking prime number
sciencefriday.com/segments/n…
Jack Murtagh retweeted
The discovery of a new prime number highlights the rising price of mathematical gold | Opinion trib.al/WejRqAg
Jack Murtagh retweeted
Math’s “best-choice problem” could help humans become better decision-makers, at everything from choosing the best job candidate to finding a romantic partner | Opinion trib.al/YBmsjNq
Jack Murtagh retweeted
Mathematician Gauss left behind a trophy case of mathematical achievements to highlight on his tombstone, but above all he wanted a regular heptadecagon etched on it | Opinion trib.al/5aZ0pa5
Want to win a @MorningBrew t-shirt? Solve the sequence of minis and find the hidden word in today’s *contest* crossword:
morningbrew.com/daily/storie…
Today's @MorningBrew crossword will tell you your future. Solve it here: morningbrew.com/daily/storie…
Jack Murtagh retweeted
Poker players can now employ AI to find the optimal playing strategy, but they often don’t use it. Here’s why trib.al/9aqF1wY
Jack Murtagh retweeted
Gizmodo Monday Puzzle: Can You Solve These 'Relative'-ly Simple Brainteasers? dlvr.it/T8NhsJ
