Heinrich Rudolf Hertz (born 22 February 1857, in Hamburg, Germany; died 01 January 1894, in Bonn, Germany) was a German physicist who made significant contributions to the field of electromagnetism. Hertz is best known for his experimental verification of James Clerk Maxwell's theory of electromagnetic waves, which laid the foundation for the development of wireless communication.
In the late 19th century, Hertz conducted a series of experiments that demonstrated the existence of electromagnetic waves and confirmed their properties predicted by Maxwell's equations. He produced and detected radio waves, providing experimental proof of their existence and properties.
The unit of frequency, hertz (Hz), is named in his honor, and it is used to measure cycles per second in the International System of Units (SI). Heinrich Hertz's work laid the groundwork for the later development of radio communication and other wireless technologies.
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