My book The Crown and the Cosmos. Astrology and the Politics of Maximilian I
uncovers the fascinating history Emperor Maximilian I’s use of astrology as political instrument.
The Crown and the Cosmos

~Byzantine Science~
My new research focuses on mathematics and the sciences of the stars in 14th-century Constantinople, especially the network of polymaths around Nikephorus Gregoras.
Byzantine Science

Recent posts

Last Days of Patient 33

May 24, 2017

In the afternoon of September 26, 1818, a family from Gloucester County, New Jersey arrived at Friends’ Asylum in Frankford, outside Philadelphia. They had brought their relative, a 26-year-old woman, fifteen miles from Woodbury to … Read more

Astrolabes and S•Town

May 9, 2017

On Thursday, February 16, at 5:36 PM I was standing in a faculty meeting when my phone vibrated. I fished it out of my pocket and looked at the screen. I had just received a … Read more

Facts Are Never Enough

May 8, 2017

Scientists hope to dispel antiscience prejudices by better science education, and pundits hope to sway public opinion on issues like Obamacare or global warming by presenting the public with accurate facts and expert reports. Such … Read more

Want to learn what an astrolabe is?
Want to learn how to operate one?
Download my introduction to the history and use of the astrolabe:
An Introduction to the Astrolabe