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Helen Sawyer Hogg Astronomer Leading Astronomer Helen Sawyer Hogg held a doctorate in astronomy from Radcliffe College in Massachusetts. She conducted significant research on
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Document Date: 2014-07-18 14:17:55
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Helen Sawyer Hogg Astronomer Leading Astronomer Helen Sawyer Hogg held a doctorate in astronomy from Radcliffe College in Massachusetts. She conducted significant research on