Danish physicist (1885–1962) who was awarded the 1922 Nobel Prize in Physics for his theory of atomic structure. TLS signed “Niels Bohr,” one page, 5.25 x 8, Universitetets Institut for Teoretisk Fysik letterhead, August 15, 1949. Letter to Professor Harald Nielsen, in part (translated): “I am very pleased to hear that you and your wife will visit Denmark in December. It will be a great pleasure for all of us at the Institute to see you again and talk about new things as well as old.” Nicely double-matted and framed with a head-and-shoulders image of the physicist. In fine condition. Accompanied by a full letter of authenticity from PSA/DNA.
*This item has been pre-certified by a trusted third-party authentication service, and by placing a bid on this item, you agree to accept the opinion of this authentication service. If you wish to have an opinion rendered by a different authenticator of your choosing, you must do so prior to your placing of any bid. RR Auction is not responsible for differing opinions submitted 30 days after the date of the sale.