The receiver that Marconi used to send the first transatlantic wireless signal was invented by Bose.
ieeexplore.ieee.org/document/658778
Nevill Mott (Nobel Prize 1977): "J.C. Bose was at least 60 years ahead of his time. In fact, he had anticipated the existence of P-type and N-type semiconductors."
hackaday.com/2016/01/19/j-c…
This fact is not widely known, and look here for details (personally I think this approach will be of value in current science as well): digitalcommons.trinity.edu/cgi/viewconten…
In the filing of these he was assisted by a wealthy American disciple of #Vivekananda, Sarah Chapman Bull, who, accompanying her Guru on a visit to Calcutta, met the great scientist in 1898.
insa.nic.in/writereaddata/…
Sara was the greatest supporter of #Vivekananda and she left almost her entire estate to the Vedanta Society.
Meanwhile, V. was also to have lasting influence on #Tesla.
swarajyamag.com/books/the-conn…