INTRODUCTION

Earlier today I put up a post titled “About Autism“, and because that post contained so much stuff this post is going to be much smaller – and with only a few links, all in one way or another puzzle connected. 

DERIVING A PUZZLE FROM A BLOG POST

Ester put up a post titled “Year 1729“, which featured the image below:

The puzzle I am attaching to this is: which two famous mathematicians are linked by the number 1,729 and how did that link come about?

THE SOLUTION TO THE
MARBLES PUZZLE

In a post on Monday titled “Autism, Disability, Mathematics, Religion, Politics” which featured the following problem:

Below is first the answer that I gave, and then one of the solutions posted on brilliant:

This solution from Arjen Vreugdenhil was particularly neat:

NEW PROBLEM: TREASURE HUNT

This is another problem from Brilliant – can you find the treasure?

PHOTOGRAPHS