Obama's science adviser, John Holdren, said in early April he hoped the announcement would be made within a month.

奥巴马的科学顾问John Holdren在四月早些时候表示他希望任命能在一个月之内完成。

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Another — Dr. John Holdren, a former Harvard professor and renowned expert on energy and climate — is here with me on this trip.

另一个是霍尔德伦博士，前哈佛大学教授和著名的能源和气候专家，他今天与我同行。

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The response doesn't satisfy John Sedat, a UCSF professor-emeritus of biochemistry and biophysics who was among those who wrote to Holdren last April.

对于这样的答复，约翰·塞达特并不满意。他是旧金山加利福尼亚大学的一位生物化学与生物物理学名誉教授，也是四月份上书霍尔德伦的四位科学家之一。

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President Obama will consult his new Nasa Administrator Charles Bolden and chief scientist John Holdren before responding.

BBC: Underfunding shackles Nasa vision

Dr. John Holdren, my Science and Technology Advisor -- where's John?

WHITEHOUSE: President Obama Kicks Off "Educate to Innovate"

In order to maintain the momentum, OSTP Director John Holdren today is requesting that every covered department and agency provide its draft scientific integrity policy within 90 days from today.

WHITEHOUSE: Director Holdren Announces New Scientific Integrity Deadline | The White House