The March of Progress image was for the first time published in 1965 in a Time Life Books book called: ‘Early Man’. Since then the image has been both debated, and used for an endless amount of applications.
March of Beaks?
Darwin’s finches or Galapagos finches.
Darwin, 1845. Journal of researches into the natural history and geology of the countries visited during the voyage of H.M.S. Beagle round the world, under the Command of Capt. Fitz Roy, R.N. 2d edition. 1.
Predecessor of the ‘March of Progress’ in Punchs’s Almanack (1882).