https://summaryshelf.app/authors/siddhartha-mukherjee/Recent content in Siddhartha Mukherjee on SummaryShelfHugoen-usSun, 26 Jul 2026 00:00:00 +0000https://summaryshelf.app/emperor-of-all-maladies/Sun, 26 Jul 2026 00:00:00 +0000https://summaryshelf.app/emperor-of-all-maladies/<p>In December 1947, Sidney Farber waited in a basement room under Boston&rsquo;s Children&rsquo;s Hospital for vials of aminopterin, a chemical mimic of folic acid. He injected it into Robert Sandler, a two-year-old whose leukemia had already snapped a bone in his thigh. Within weeks the boy&rsquo;s white-cell count fell toward normal, and for a month he looked just like his healthy twin, Elliott. Then the leukemia returned and killed him. Farber published anyway: sixteen children, ten responses, five alive at six months. In leukemia, six months was an eternity. A chemical had pushed back a cancer — and that door opening, slamming, and a profession deciding it already knew why, is the pattern of this whole history.</p>