Benjamin Thompson

  • Born

  • early years

    the age of 13 he was apprenticedto john appleton, a merchant of nearby salem.
  • early years

    he met, charmed and married a rich and well- connected heiress named sarah rolfe.
  • early years

    when the american revoution began, thompson was a man of property and standing in new england
  • early years

    during the american revolution, thompson was an active tory who surved the british king by spying on his country men.
  • early years

    after the fall of boston, he fled to england, leaving behind his wife and daughter.
  • early years

    While working with the British armies in America, he conducted experiments concerning the force of gunpowder, the results of which were widely acclaimed when eventually published, in 1781,
  • early years

    he joined the court of the elector of bavaria where he instituted numerous social reforms including work houses for munich beggars.
  • bavarian maturity

    he moved to Bavaria where he became an aide-de-camp to the Prince-elector Karl Theodor.
  • Bavarian maturity

    founded the Englischer Garten in Munich
  • experiments on heat

    he extended his claim about non-conductivity to liquids
  • Mechanical equivalent of heat

    However, Rumford's most important scientific work took place in Munich, and centred on the nature of heat, which he contended in An Experimental Enquiry Concerning the Source of the Heat which is Excited by Friction (1798) was not the caloric of then-current scientific thinking but a form of motion
  • later years

    he started the royal institution in london as a center for technological innovations
  • later years

    he was elected a foreign member of the Royal Swedish Academy of Sciences.
  • later years

    thompson went to paris were he married the widow of antoine lavoisier.
  • Died