The cuts will be tiered, Brown said, with his salary being cut 10%, and other salary cuts scaled down to 4%, based on salary level.
People making $30,000 per year or less will not be affected.
The Academy also said that its endowment has fallen from more then $60 million in early 2008 to less than $40 million currently.
The Academy is preparing to celebrate its 200th anniversary in 2012.
RELATED: Academy of Natural Sciences website.
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