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Mountain Lake, Minn., native played crucial role in designing Mars rovers – Minneapolis Star Tribune

Roger Wiens has loved science since he and his brother built rockets in Mountain Lake.

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Roger Wiens and his older brother, Doug, spent part of the summer of 1971 building a telescope from scratch to observe the close approach of Mars.
The two brothers from the small southwest Minnesota town of Mountain Lake had been assembling rockets and gazing at the stars for years, but the telescope was a new challenge. They bought supplies using money earned on their paper route and, absent a proper stand, mounted their contraption on a fence post.
Almost 50 years later, Roger Wiens is still helping…

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