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File:Jonathan Levin, PCAST Member (cropped).jpg
来自维基百科,自由的百科全书
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File:Jonathan Levin, PCAST Member (cropped).jpg
Description
Jonathan
Levin
,
PCAST
Member
(
cropped
).
jpg
English: Portrait of
Jonathan
Levin
as a
member
of the President’s Council of Advisors on Science
File:Jonathan Levin, PCAST Member.jpg
English
Jonathan
Levin
as a
member
of the President’s Council of Advisors on Science and Technology applies to jurisdiction: United States of America determination