Tag: Christopher Columbus
-
The mysterious illness of Christopher Columbus
It is well known that Christopher Columbus left Spain in 1492 and sailed westward on three small ships, the Santa María, Niña, and Pinta, in search of a northwest passage to the East Indies. It is perhaps less well known that during the greater part of his expeditions, he suffered from an incapacitating illness that…
-
Guaiac and “the old Guaiacum test”
James L. Franklin Chicago, Illinois, United States Guaiacum officinale. Photo by Forest and Kim Starr. July 27, 2007. Via Wikimedia. CC BY 3.0. “The old Guaiacum test was very clumsy and uncertain.” — A Study in Scarlet, Arthur Conan Doyle, 1887 So declares Mr. Sherlock Holmes in Arthur Conan Doyle’s novel A Study…
-
The men who defeated syphilis
German zoologist Fritz Schaudinn. Source Fritz Schaudinns, Verlag Leopold Voss, Hamburg und Leipzig 1911. Via Wikimedia. Beginnings The origins of syphilis have been subject to much debate. The disease has been claimed to be thousands of years old and originally to have evolved from yaws. Generally mistaken for leprosy and not recognized as a separate entity,…