2 ms·

Which he only became aware of after the paper...

• atleastoptimal 26d ago
  In this 1905 special relativity paper he mentions "the Lorentzian electrodynamics and optics of moving bodies" https://www.fourmilab.ch/etexts/einstein/specrel/specrel.pdf https://www.fourmilab.ch/etexts/einstein/specrel/specrel.pdf
  • LogicFailsMe 26d ago
    And did you read the footnote on the first page? "The preceding memoir by Lorentz was not at this time known to the author."