Robert Bunsen

Gustav Kirchhoff and the Fundamentals of Electrical Circuits

Gustav Kirchhoff and the Fundamentals of Electrical Circuits

On March 12, 1824, German physicist Gustav Robert Kirchhoff was born. He is best known for his contribution to the fundamental understanding of electrical circuits, spectroscopy, and the emission of black-body radiation by heated objects. Education and Academic Career Gustav Robert Kirchhoff was born in Königsberg, East Prussia, to his father Friedrich Kirchhoff, a law councillor in Königsberg with a strong sense of duty to the Prussian state, and his mother Johanna…
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Robert Wilhelm Bunsen and the Bunsen Burner

Robert Wilhelm Bunsen and the Bunsen Burner

On March 30, 1811, German chemist Robert Wilhelm Bunsen was born. Bunsen investigated emission spectra of heated elements, and discovered caesium (in 1860) and rubidium (in 1861) with the physicist Gustav Kirchhoff.[6] He developed several gas-analytical methods, was a pioneer in photochemistry, and did early work in the field of organoarsenic chemistry. With his laboratory assistant, Peter Desaga, he developed the Bunsen burner, an improvement on the laboratory burners then in use.…
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Carl Ludwig – Pioneer of Modern Physiology

Carl Ludwig – Pioneer of Modern Physiology

On December 29, 1816, German physician and physiologist Carl Friedrich Wilhelm Ludwig was born. Ludwig was one of the creators of modern physiology. He applied the experimental approach of chemistry and physics to explain the way the body functions. Ludwig investigated the structure of the kidneys and cardiac activity. Early Life Carl Ludwig was born in Witzenhausen an der Werra, near Kassel, Germany. His father was the rent master in Witzenhausen, later promoted…
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Julius Lothar Meyer – Inventor of the Periodic Law

Julius Lothar Meyer – Inventor of the Periodic Law

On August 19, 1830, German chemist Julius Lothar Meyer was born. Meyer was one of the pioneers in developing the first periodic table of chemical elements. He discovered the Periodic Law, independently of Dmitry Mendeleev, at about the same time (1869). However, he did not develop the periodic classification of the chemical elements as thoroughly as Mendeleev. “That the as yet undivided chemical elements are absolutely irreducible substances, is currently at least…
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Emil Erlenmayer and the Erlenmayer Flask

Emil Erlenmayer and the Erlenmayer Flask

On June 28, 1825, German chemist Emil Erlenmeyer was born. Erlenmayer is known for contributing to the early development of the theory of structure, formulating the Erlenmeyer rule, and especially for designing the Erlenmeyer flask, a type of chemical flask, which is named after him. Actually, I remember the Erlenmeyer flask from my earliest chemistry lessons back in high school. So, who was the man behind that prominent gadget? Richard August Carl…
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Dimitri Mendeleev and the Periodic Table of Elements

Dimitri Mendeleev and the Periodic Table of Elements

On February 2, 1907, Russian chemist and inventor Dimitri Ivanovich Mendeleev passed away. He is probably best known for his version of the periodic table of chemical elements. Furthermore, he used it to correct the properties of some already discovered elements and also to predict the properties of eight elements yet to be discovered. “I wish to establish some sort of system not guided by chance but by some sort of definite…
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