Person

H. J. L. Struycken was a Dutch otolaryngologist, phonetician, and acoustician. After studying medicine in Groningen, in 1893 he started working at the Voorburg psychiatric hospital near Vught, where he attempted to distinguish psychiatric conditions from neurological speech disorders. His interest in phonetics and acoustics took Struycken to France and Germany, to visit clinics and approach instrument makers who could produce tuning forks for him to use in his clinical research.

1896
1950
Person

Jules Antoine Lissajous was a high-school teacher, then held prestigious administrative posts in the education system of various parts of France. He had trained in physics, and defended his dissertation on vibratory phenomena in 1850.

1822
1880
Video
Turner, Steven. 2012. “Introduction To Wave Models From The National Museum Of American History”. Smithsonian National Museum of American History. https://www.youtube.com/watch?v=5Qm8WQgDlSg.
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Turner, Steven. 2012. “Introduction To Tuning Forks From The National Museum Of American History”. Smithsonian National Museum of American History. https://youtu.be/arP0Jq35dws.
Video
2012. “Introduction To Resonance With Artifacts From The National Museum Of American History”. Smithsonian National Museum of American History. https://www.youtube.com/watch?v=Rn93ure-Fa8.
Video
Chladni, Ernst Florens Friedrich. 2012. “Chladni Plate Demonstration From The National Museum Of American History”. Smithsonian National Museum of American History. https://youtu.be/KEttRmu2kGk.
Video
Fondazione Scienza e Tecnica,. (17 August 2015AD) 2015. “Sounds, Vibrations, And Marloye's Harp”. Florence, Italy: Fondazione Scienza e Tecnica. https://www.youtube.com/watch?v=Dro3_nwwUcI&list=PLslExxbg3O-fAeclmcjO0LId_xADwxalv&index=5.
Video
Fondazione Scienza e Tecnica,. (17 August 2015AD) 2015. “Lissajous’s Figures, Wheatstone Apparatus For Compounding Two Orthogonal Oscillations”. Florence, Italy: Fondazione Scienza e Tecnica. https://www.youtube.com/watch?v=xPjNPb8h8Ok.
Person

Chladni was a physicist whose work focused on experimental acoustics. He invented the “Chladni figure” and various instruments. Until his death, he continued to travel and present his inventions and findings to a wide audience.

1756
1827
Video
University of Michigan,. (13 October 2010AD) 2010. “Bowed Violin In Slow Motion”. Houghton, Michigan: Michigan Technological University. https://www.youtube.com/watch?v=FO5bq6x_Tws.