Stephen Koschal ~ Quality Autographs & Signed Books
Serving Collectors, Libraries, Institutions, Autograph Galleries and Dealers with
Autographs and Signed Books in all Fields of Collecting Since 1967.

7155 Sand Crest View, Colorado Springs, CO 80923 USA ~ Phone (561) 315-3622 ~ skoschal@aol.com

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Co-Discoverers of DNA

WATSON, James D.  (1928-   ) American molecular biologist. Co-discoverer of the structure of DNA (1953). Awarded the 1962 Nobel Prize in Physiology or Medicine.
CRICK, Francis  (1916-2004).  English molecular biologist.  Co-discoverer of the structure of DNA (1953). Awarded the 1962 Nobel Prize in Physiology or Medicine.

Two 3”x5” cards, one signed by James D. Watson where he has hand drawn the ink sketch of a “Double Helix,” DNA strand with a notation “A.T.G.C.” to the right of the strand. Together with a separate card signed by Francis Crick........
.....SOLD



Stephen Koschal ~ Quality Autographs & Signed Books
Serving Collectors, Libraries, Institutions, Autograph Galleries and Dealers with
Autographs and Signed Books in all Fields of Collecting Since 1967.

7155 Sand Crest View, Colorado Springs, CO 80923 USA ~ Phone (561) 315-3622 ~ skoschal@aol.com