He wrote on his website: "This summer, my recommended reading list has a good dose of books with science and math at their core.
Seveneves by Neal Stephenson
Credit: Neal Stephenson
Luckily for most, the first book on the list isn't lines and lines of code or an in-depth look at difficult maths problems - it's an interesting-looking science-fiction novel.
The Vital Question by Nick Lane
Well, The Telegraph's book critics certainly think this is one you should pick up - they gave it four stars.
Even if the details of Nick s work turn out to be wrong, I suspect his focus on energy will be seen as an important contribution to our understanding of where we come from."
Today, of course, Japan is intensely interesting to anyone who follows global economics.
Those questions are at the heart of this series of dialogues between Ryoichi, an economist who died in 2013, and his son Hiroshi, founder of the Internet company Rakuten.