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Start Over You searched for: Formats Still image Remove constraint Formats: Still image Dates by Range 1950-1999 Remove constraint Dates by Range: 1950-1999 Publication Year 1950 to 1959 Remove constraint Publication Year: <span class="from" data-blrl-begin="1950">1950</span> to <span class="to" data-blrl-end="1959">1959</span>

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12. Avery at his desk

13. Avery's medals

14. Julius Axelrod with rat

15. Julius Axelrod at desk

18. Drawing of the double helix

20. Detail from notes on the structure of DNA