1![Helen Sawyer Hogg Astronomer Leading Astronomer Helen Sawyer Hogg held a doctorate in astronomy from Radcliffe College in Massachusetts. She conducted significant research on Helen Sawyer Hogg Astronomer Leading Astronomer Helen Sawyer Hogg held a doctorate in astronomy from Radcliffe College in Massachusetts. She conducted significant research on](https://www.pdfsearch.io/img/9104e4bed3dd1bb97b5b96e4214fc963.jpg) | Add to Reading ListSource URL: www.femmes.gc.caLanguage: English - Date: 2014-07-18 14:17:55
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2![Helen Sawyer Hogg Astronomer Leading Astronomer Helen Sawyer Hogg held a doctorate in astronomy from Radcliffe College in Massachusetts. She conducted significant research on Helen Sawyer Hogg Astronomer Leading Astronomer Helen Sawyer Hogg held a doctorate in astronomy from Radcliffe College in Massachusetts. She conducted significant research on](https://www.pdfsearch.io/img/b2c6ccf83d0b63ed14746892d5d5790f.jpg) | Add to Reading ListSource URL: www.cfc-swc.gc.caLanguage: English - Date: 2014-07-18 14:17:55
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3![Helen Sawyer Hogg Astronomer Leading Astronomer Helen Sawyer Hogg held a doctorate in astronomy from Radcliffe College in Massachusetts. She conducted significant research on Helen Sawyer Hogg Astronomer Leading Astronomer Helen Sawyer Hogg held a doctorate in astronomy from Radcliffe College in Massachusetts. She conducted significant research on](https://www.pdfsearch.io/img/5153f15432b26eeabd156a107ed1c601.jpg) | Add to Reading ListSource URL: www.women.gc.caLanguage: English - Date: 2014-07-18 14:17:55
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4![Helen Sawyer Hogg Astronomer Leading Astronomer Helen Sawyer Hogg held a doctorate in astronomy from Radcliffe College in Massachusetts. She conducted significant research on Helen Sawyer Hogg Astronomer Leading Astronomer Helen Sawyer Hogg held a doctorate in astronomy from Radcliffe College in Massachusetts. She conducted significant research on](https://www.pdfsearch.io/img/57fd55d3af30391165573f3df0dd0b91.jpg) | Add to Reading ListSource URL: www.swc-cfc.gc.caLanguage: English - Date: 2014-07-18 14:17:55
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