Monthly Archives: September 2014

Abraham Werner and the School of Neptunism

Abraham Werner and the School of Neptunism

Abraham Gottlob Werner (1749-1817) On September 25, 1749, German geologist Abraham Gottlob Werner was born. He is best known for his early theory about the stratification of the Earth’s crust. Moreover, he propounded an earth history that others labeled Neptunism that states that holding that all rocks have aqueous origins. While most tenets of Neptunism were eventually set aside, science is indebted to Werner for clearly demonstrating the chronological succession of rocks,…
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Juan de la Cierva and the Autogiro

Juan de la Cierva and the Autogiro

On September 21, 1895, Spanish civil engineer and aviation pioneer Juan de la Cierva y Codorníu was born. His most famous accomplishment was the invention in 1920 of the Autogiro, a single-rotor type of aircraft, a predecessor of today‘s helicopter. Aviation Pioneer Juan de la Cierva Juan de la Cierva was born in Murcia, Spain to a wealthy family. Although trained as a civil engineer, Cierva became interested in aviation early in…
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The psychologist must study mankind from the historical or comparative standpoint – Moritz Lazarus

The psychologist must study mankind from the historical or comparative standpoint – Moritz Lazarus

On September 15, 1824, German philosopher and psychologist Moritz Lazarus was born. He held that humanity must be studied from the historical, comparative viewpoint, analyzing the elements that constitute the fabric of society, with its customs, its conventions, and the main tendencies of its evolution. He was Jewish and a leading opponent of anti-Semitism in his time. Moritz Lazarus – Youth and Education Moritz Lazarus received a Jewish education, taking classes in…
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Harvey Fletcher – the Father of Stereophonic Sound

Harvey Fletcher – the Father of Stereophonic Sound

On September 11, 1884, US-american physicist Harvey Fletcher was born. Considered as the “father of stereophonic sound” he is credited with the invention of hearing aids and is well known for his contributions in acoustics, electrical engineering, speech, medicine, music, atomic physics, sound pictures, and education. Harvey Fletcher – Early Years Harvey Fletcher was raised in Utah in a religious community. He received his early education at he Brigham Young University where…
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Bernard Siegfried Albinus and his Anatomic Works

Bernard Siegfried Albinus and his Anatomic Works

On September 9, 1770, German anatomist Bernard Siegfried Albinus passed away. He was the first to show the connection of the vascular systems of the mother and the fetus. He is best known for the excellent drawings in his Tabulae sceleti et musculorum corporis humani (1747; Tables of the Skeleton and Muscles of the Human Body). Bernard Siegfried Albinus – Early Years Bernard Siegfried Weiss was born in Frankfurt (Oder), Germany. Already his…
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