Category Archives: science

Historic Philadelphia hospitals

Posted on August 28, 2016 by Tim

Guest post by Jay Blossom Last week I had the misfortune to be treated at two of America’s most historic hospitals, both less than a mile from my house in Philadelphia. On Tuesday night, I spent a few hours in … Continue reading →

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Gunpowder along the Brandywine

Posted on April 10, 2016 by Tim

I recently taught a workshop at Hagley, site of the original gunpowder business of the great French immigrant family, the du Ponts. I brought with me childhood memories from school trips to the site many years ago and wondered what my adult … Continue reading →

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Place of aviation genius

Posted on December 5, 2014 by Tim

I’m not sure if people who visit the Wright Brothers’ house have preconceived ideas or not. If they’ve read about the brothers, they will not be surprised that it is a very modest middle class house. As with any historic … Continue reading →

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American history in London

Posted on August 22, 2013 by Tim

Several blocks from Trafalgar Square, with Nelson’s Column, fountains, lion statues, and pigeons, in the heart of London sits a short street of well-preserved Georgian homes in the shadow of Charing Cross station. At number 7 Craven Street, a small … Continue reading →

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The Great Refractor at Harvard

Posted on July 15, 2012 by Tim

I had the unique opportunity recently to visit the Harvard College Observatory in Cambridge, Massachusetts. My group enjoyed a star-gazing party on the roof where I saw Saturn and its rings through a telescope for the first time. The highlight … Continue reading →

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