James Buchanan Eads

James Buchanan Eads, an American engineer, was born May 23, 1820. Eads designed and built the St. Louis Bridge over the Mississippi River, erected between 1867 and 1874. The bridge was the first in this country to use arches made of cast steel. So that the river could...

Arthur Conan Doyle

Arthur Conan Doyle, the noted British author, was born May 22, 1859, in Edinburgh.  Although Conan was his middle name and Doyle his surname, he is almost always referred to as Conan Doyle, and who are we to depart from tradition?  Conan Doyle gave us not only our...

Gustave Coriolis

Gaspard-Gustave de Coriolis, a French engineer and mathematician, was born May 21, 1792. Coriolis was a well-respected instructor in the French engineering school system, and has long been recognized as the person who first determined that kinetic energy is correctly...

John White Webster

John White Webster, an American geologist and chemist, was born May 20, 1793.  He graduated from Harvard Medical College in 1815, and would return there as professor, but in between, he visited St. Michael (Sao Miguel) Island in the Azores in 1817-18.  There he...

Norman Lockyer

Norman Lockyer, an English astronomer, was born May 17, 1836. Lockyer was fascinated by the new science of spectroscopy, invented in 1859, and he was one of the early astronomers to take an interest in looking for spectral lines in the Sun. Joseph Fraunhofer had first...