Writer and Professor Emeritus of Financial Engineering at Columbia University
BOOK
Brief Hours and Weeks: My Life as a Capetonian
BOOK
Models Behaving Badly
BOOK
The Volatility Smile
BOOK
My Life as a Quant
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Why Is This Interesting? – The Tetragrammaton Edition
A single name–Bjork or Madonna–is grand. A single name with its own name is even grander.
Emanuel Derman on X
Solo dining joys
https://whyisthisinteresting.substack.com/p/the-solo-diner-edition-bdc?r=2fez&utm_medium=ios
Many Israel supporters, (as well as others, like Iranians opposed to the Islamist regime) decided not to see Trump’s amorality and idiocy because they hoped that he would give them what they wanted and what no one else was offering.
But reality rarely can be defied for long.
I'm in Hong Kong and in my hotel I just had breakfast by chance with a lawyer for Byte Dance. We met by talking in the elevator. They employ 100,000 people!
T"his reminds me a lot of Arendt’s distinction between former communists and ex-communists, those who still organized their entire lives around the fact that they were once communists and made repudiating it and attacking it their life’s work. " < @lionel_trolling
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"But there are a lot of apostates in contemporary culture who make enmity towards a previous version of themselves the substance of their very being." @lionel_trolling
Number Trash; History as Art and Science; Arrivistes and Apostates
Reading, Watching 11.08.2026
open.substack.com