Karl Ferdinand Braun

He married Amelie Buhler in 1883 while working at the Polytechnic school in Karlsruhe.

He had two sons and two daughters from this marriage.

Karl Ferdinand Braun died on April 20, 1918 in Brooklyn New York, United States, before the end of the First World War.

Karl Ferdinand Braun was born on June 6, 1850 in Fulda, Germany to Johan Konrad Braun and Franziska Gohring Braun. He was the fourth child of his parents.

He did his initial education at the local grammar school in Fulda.

After completing high school he studied chemistry and mathematics at the ‘University of Marburg’.

He completed his PhD in physics in 1872 from the ‘University of Berlin’.

Thereafter he worked as a graduate assistant at the Wurzburg University.

In 1874 Karl Ferdinand Braun discovered that point-contact semiconductors were able to rectify electrical currents from alternating to direct current.

In 1874 he became a member of the teaching faculty at the ‘St. Thomas Gymnasium’ in Leipzig.

He was appointed an ‘Extraordinary Professor of Theoretical Physics’ at the Marburg University in 1877.

He joined the Strasbourg University also as an ‘Extraordinary Professor of Physics’ in 1880.

He joined the ‘Polytechnic School’ in Karlsruhe in 1883 to teach physics.

His patented theories have been published in the books titled as ‘Electro Telegraphy by means of Condensers and Induction Coils’ and ‘Wireless Electro Transmission of Signals over Surfaces’.