David McCullough was impressed. The great historian and biographer of the likes of Harry Truman and John Adams spent 45 minutes on a rainy Thursday afternoon in Kansas City touring an exhibit about the building of the Panama Canal.

The show fills three rooms at the Linda Hall Library of Science and Technology, a hidden archival gem of our area. The library used its own collections to create “The Land Divided, the World United,” which features scores of photographs, documents, objects and rare books that tell the story of the greatest engineering feat of its day. The canal connecting the Atlantic and Pacific oceans opened 100 years ago, in August 1914.

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