Biography

Direct current power plants came to a definitive end with Tesla's invention - the water turbine, which produces alternating current based on the energy of water flow in rivers.

After completing his studies in 1829, Frederic went to Vienna with his friends. This journey proved to be a phenomenal success.

Napoleon is also traditionally credited with a geometric theorem known as Napoleon's theorem, declaring that the orthocenters of equilateral triangles built on the sides of any triangle are the vertices of the equilateral triangle.

A meringue-based dessert, pavlova, was named after Anna.

He was the author of many aphorisms.

He was the seventh child of Leopold Mozart and Anna Maria, née Pertl.

As part of his work duties, he began his first oceanic trading voyages to England, Madeira and Guinea.

She was considered the sexiest woman numerous times.

In 1818, the first review of Chopin's works was published in print.

Mozart was the first great professional composer to write popular music (dances, divertimentos, serenades headed by "Eine Kleine Nachtmusik").