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Brown, red, and yellow tinted map illustration of the continents of Europe, Asia, Africa and Australia, with a circular frame around them

Computing Space III: Papers of the “Father of GIS” Come to the Library of Congress

Posted by: John Hessler

Today’s post is the third of a series called,”Computing Space,” which will highlight the lives and work of many of the mostly unknown cartographers, geographers, mathematicians, computer scientists, designers and architects who had a hand in the birth of today’s computer cartography.  ’Amateur’ field geographers can speak with authority about the clarifying effects on the …

Brown, red, and yellow tinted map illustration of the continents of Europe, Asia, Africa and Australia, with a circular frame around them

Computing Space II: Taking Waldo Tobler’s Geography 482

Posted by: John Hessler

Today’s post is the second in a continuing series called,”Computing Space,” which will highlight the lives and work of many of the mostly unknown cartographers, geographers, mathematicians, computer scientists, designers and architects who had a hand in the birth of today’s computer cartography. When working with the archives and personal papers of the pioneers of …

Brown, red, and yellow tinted map illustration of the continents of Europe, Asia, Africa and Australia, with a circular frame around them

Computing Space I: Ernesto and Kathy Split a Sandwich

Posted by: John Hessler

This post is dedicated to the memory of  Katherine Kiernan, one of the only female programmers at the Harvard Laboratory for Computer Graphics and Spatial Analysis, during the early years of the development of Geographical Information Systems. She passed away last year. Today’s post is the beginning of a series called,”Computing Space,” which will highlight …

Brown, red, and yellow tinted map illustration of the continents of Europe, Asia, Africa and Australia, with a circular frame around them

In Maudslay’s Shadow: Imaging Pre-Columbian Mesoamerica

Posted by: John Hessler

The Library of Congress’ Geography and Map Division is home to a large collection of Pre-Columbian archaeological artifacts donated by the collector Jay I. Kislak, many of which are on display as part of the Exploring the Early Americas Exhibit in the Thomas Jefferson Building here in Washington, DC. The artifacts that make up the …

Brown, red, and yellow tinted map illustration of the continents of Europe, Asia, Africa and Australia, with a circular frame around them

Einstein at 100: Mapping the Universe

Posted by: John Hessler

Last week we passed an important milestone in the history of science. November 25th, 2015, marks one hundred years since Albert Einstein delivered his now infamous address to the Prussian Academy of Sciences, during which he laid out the series of equations which lie at the heart of his General Theory of Relativity. This anniversary …

Brown, red, and yellow tinted map illustration of the continents of Europe, Asia, Africa and Australia, with a circular frame around them

Our Next Generation

Posted by: John Hessler

Who are the next generation of cartographers? What draws them to this part science, part artistic expression, part design discipline? Many cartographers of the past and those working today often talk about an early love for maps and how something about their graphic form drew them to the field. Some of the most famous mapmakers, …

Brown, red, and yellow tinted map illustration of the continents of Europe, Asia, Africa and Australia, with a circular frame around them

Computing Space 0: From Hypersurfaces to Algorithms: Saving Early Computer Cartography at the Library of Congress

Posted by: John Hessler

Recently, the Geography and Map Division has undertaken a large scale project to collect manuscripts, technical information,  algorithms, software, and hardware from the earliest days of computer cartography. This project, which is being directed by the author, began as a series of lectures for graduate students that I gave at Johns Hopkins University on the …

Brown, red, and yellow tinted map illustration of the continents of Europe, Asia, Africa and Australia, with a circular frame around them

Mapping Alpinist Elephants

Posted by: John Hessler

As one of the curators of the largest map library on the planet, there are times when one comes across a map that just strikes you as unique, not only as piece of cartography, but also as a monument to the obsessions of antiquarians of the past, the present, and the future. Several days ago …

Brown, red, and yellow tinted map illustration of the continents of Europe, Asia, Africa and Australia, with a circular frame around them

Mr. Dürer Comes to Washington

Posted by: John Hessler

In  the cool summer of 1901,  a Jesuit priest named Joseph Fischer was searching through the small libraries found in the country houses and ancient castles of the old noble families that dot the German hinterlands. One day, in the tower of one of those castles, tucked deep into the forest outside the tiny village of Wolfegg, he happened upon a book that …