Z Proportions

Short but Cool!
May 16, 2022

The Grolier Club is a private club and society of bibliophiles in New York City. It was founded in January 1884, and it is the oldest existing bibliophilic club in North America. Becca Hirsbrunner photographed this fabulously constructed letter, Z proportions, at The Grolier Club. Interestingly, every element but the diagonal bar can be rationalized in this way.

Author

Ali Kaya

This is Ali. Bespectacled and mustachioed father, math blogger, and soccer player. I also do consult for global math and science startups.

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Z Proportions

Author

Ali Kaya

POPULAR READS POPULAR READS

Galileo’s Middle Finger

John Nash’s Recommendation Letter for Princeton University

Meet the PE teacher Dale Irby Who Wore the Same Outfit for 40 Yearbook Photos

The Formula to Get 42 Billion Digits of π

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John Whitney and His Masterwork: Digital Harmony

Paul Dirac’s PhD Thesis: the First Ever Written on Quantum Mechanics

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Cantor’s Breakfast

Isaac Asimov’s Letter to Celebrate the Opening of a Library

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Henry Billingsley’s Elements of Euclid With Pop-Up Models

13-year-old prodigy Elliott Tanner

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