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    Jonas E. Salk Typed Letter Signed. One page on University of Pittsburgh letterhead, 8.5" x 11"; October 21, 1960. A letter to a Dr. Robert Citron in response to a proposal regarding the polio vaccine, which Salk is most noted for developing. In part: "The enclosed, together with the paper in LANCET to which I referred, which appears in the 1 October issue, indicates to you our views about the use of formaldehyde and its effectiveness for polio virus vaccine." Signed in full, "Jonas E. Salk." Excellent association content.

    Enclosures are not present. Near fine condition, with the usual mail folds; light soiling occurring thereat.

    Auction Info

    Auction Dates
    March, 2016
    31st Thursday
    Internet/Mail Bids: 12
    Lot Tracking Activity: N/A
    Page Views: 280

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