4 ms·Maths palace built by calculus 'rock star' on sale for £11.4M (2015)14 points by xdavidliu 3y agoxdavidliu 3y agohttps://en.wikipedia.org/wiki/Integral_House https://en.wikipedia.org/wiki/Integral_Housecostco 3y agoI didn't know there was that kind of money in writing calculus textbooks. This guy is probably one of the richest Canadian authors.