Reletter
Artwork for Fiddler on the Proof

Fiddler on the Proof

Zach Wissner-Gross

The place for mathematical puzzles and the puzzling community. Two new puzzles every Friday morning!

Platform
Substack
PricingFreemiumPublishesWeekly
Issues38SubscribersRead thefiddler.substack.com

Curious about how many subscribers Fiddler on the Proof has or want to find similar newsletters? Reletter has got you covered. We collated all the information we could find from across the web in our database of over one million newsletters.

Check the email archives, get traffic estimates, engagement scores and more to discover the best advertising opportunities.

Our search tool helps you locate relevant newsletters for any topic and compare their stats for better sponsorship decisions.

Contact Information
How Many Subscribers?
Reletter gives you subscriber numbers, contacts, chart rankings, traffic estimates and more across 1.6m+ newsletters.

Chart Rankings

How this newsletter ranks in the official Substack charts.

#96
Substack
/Science(Free)
#64
Substack
/Science(Paid)

Latest Issues

Recent posts by this newsletter. Browse the email archive.

Can You Pour the Water?

The last time a specific friend of mine tried a math puzzle, it was about pouring water among pitchers of various volumes. This week, his time has come again.

a month ago
1
1
Paid

Can You Survive March Madness?

Which teams have the hardest road to the Final Four? (Hint: It's not the 1-seeds.)

a month ago
1
4
Paid

Can You Save the Pizza?

What’s the smallest rectangle of foil you need to completely wrap a triangular slice of pizza, both above and below?

a month ago
1
3
Paid

Can You Take the Scenic Route?

You want to drive around a circular loop. But there’s just one gas station, and a full tank only gets you halfway around. Can your friends help you make it all the way around?

2 months ago
0
2
Paid

Authors

The writers behind this newsletter.

  • Zach Wissner-Gross

    Former Puzzle Editor @FiveThirtyEight; Math VP @Amplify; Co-Founder @SchoolYourself

  • Frequently Asked Questions

    How can I access the email archive for Fiddler on the Proof?

    You can find recent issues that have been published by Fiddler on the Proof on Reletter by scrolling up to where it says Latest Issues. Tap on the link for any of the most recent emails or hit More Issues to see older ones.

    How many subscribers does Fiddler on the Proof have?

    To see how many people subscribe to Fiddler on the Proof, simply upgrade your Reletter account. We provide readership numbers and lots of other stats for this newsletter so you can decide if it's worth reaching out to.

    How can I advertise in Fiddler on the Proof?

    Newsletter advertising can be extremely effective when it's done right. Before you pitch Fiddler on the Proof as a potential sponsor or partner, make sure that you've done your research and checked its newsletter stats with Reletter.

    Then, personalize one of our winning pitching templates and send it to the right person using the contact info provided.

    How much does it cost to sponsor a publication like Fiddler on the Proof?

    Newsletter ad rates (or CPM) vary depending on many factors, including industry, number of subscribers, open rate, ad placement and more.

    To find out how much an ad will cost, contact Fiddler on the Proof using the contact information provided and ask for a copy of their media kit.

    How can I find newsletters similar to Fiddler on the Proof?

    Scroll up to where it says Similar Newsletters to see other publications like Fiddler on the Proof. You can also search our email newsletter directory to discover other newsletters that cover the topics you're interested in.

    How do I contact Fiddler on the Proof?

    Reletter provides this newsletter's website URL above, where you will often find their contact information. We also provide links to associated social media accounts and pitching templates so you can reach out fast.