What was the dosage of amphetamines that Erdos was taking? Was it a constant dose or did it increase over time? Had he ever been diagnosed as suffering from ADD?

  • $\begingroup$ Do you have any source attesting this use ? $\endgroup$ Commented Jul 16, 2022 at 14:38
  • $\begingroup$ Several. It was widely known in the mathematical community. One of his colleagues was concerned that he was addicted and bet him that he couldn't survive for a month without them. He said that he easily won that bet, but for that month he was completely useless to do mathematics. $\endgroup$
    – madarab
    Commented Jul 18, 2022 at 17:58
  • $\begingroup$ Page 8 of this doc says: In 1979 Graham bet Erdős $500 that he couldn't stop taking amphetamines for a month. Erdős accepted, and went cold turkey for a complete month. Erdős's comment at the end of the month was "You've showed me I'm not an addict. But I didn't get any work done. I'd get up in the morning and stare at a blank piece of paper. I'd have no ideas, just like an ordinary person. You've set mathematics back a month." He then immediately started taking amphetamines again. $\endgroup$ Commented Jul 25, 2022 at 1:16


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