NATIONAL ACADEMY OF SCIENCES

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OFFICE OF THE HOME SECRETARY
  2101 CONSTITUTION AVENUE
    WASHINGTON. D.C.

April 26, 1933

SIR:

    I have the honor to inform you that you were elected
a member of the National Academy of Scslences at Its Annual

Meeting held in Washington, April 24 to 26, 1933. The
Academy thus desires to express its high appreciation of

your services to science, and trusts you will slgnify your

acceptance of this election.

In due course a diploma signed by the officers of  the

Academy will be sent to you,

Assuring you of my personal pleasure in counting you

as one of ow members, 1 8~fz

Very respectfully yours,

Home Secretary

Dr. Oswald Theodore Avery
Rockefeller Institute for ledfcal Research
Hew York City