George Wallace Kidder

December 9th

  • American biochemist who demonstrated that a chemical distinction exists between tumorous and normal cells.
  • He was a protozoologist for a number of years in his early career.
  • His study of tetrahymena, a one-cell, pond ciliate with a basic biochemical pattern in most respects resembling that of human cells, led to his discoveries in abnormal growths and, ultimately, in cancerous cells.

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