Which Happened First?

Joseph Aspdin

Joseph Aspdin
Image: Chemical Engineer · CC BY-SA 4.0 · source

Joseph Aspdin was an English bricklayer, businessman, inventor, and stonemason who obtained the patent for Portland cement on 21 October 1824.

Summary from Wikipedia (CC BY-SA 4.0) · Dates from Wikidata (CC0)

Who was born first?

Timeline

  1. George CayleyDecember 27, 1773 – December 15, 1857
  2. Farkas BolyaiFebruary 9, 1775 – November 20, 1856
  3. Joseph Aspdin (this page)December 25, 1778 – March 20, 1855
  4. George StephensonJune 9, 1781 – August 12, 1848
  5. René LaenneFebruary 17, 1781 – August 13, 1826
  6. William SturgeonMay 22, 1783 – December 4, 1850

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Joseph Aspdin (December 25, 1778 – March 20, 1855) · Which Happened First?