Joseph Plateau

Belgian physicist (1801–1883)

The phénakistoscope, a device developed by Joseph Plateau in 1832, provided the first practical demonstration of the illusion of moving images. By utilizing counterrotating disks—one featuring a sequence of drawn images and the other with regularly spaced slits—he established a foundational optical mechanism that anticipated the eventual development of modern cinema.

Early Life and Education

Born in Brussels in 1801, Plateau demonstrated academic aptitude at an early age. He received his formal education at the Royal Academy of Fine Arts of Brussels between 1814 and 1817, followed by attendance at the Jules Bordet Royal Athenaeum until 1822. He subsequently enrolled at the University of Liège, where he graduated as a doctor of physical and mathematical sciences in 1829.

THE FREE TEST
How high is yours?

Twenty questions, eight minutes on the clock, and a percentile measured against everyone who has taken it. No sign-up.

Take the IQ test →

Scientific Research and Optics

Plateau’s early academic output focused on the physiology of vision. His 1829 doctoral thesis explored retinal impressions, the intersection of revolving curves, and the reconstruction of distorted images. His investigation into capillary action and surface tension later led to the mathematical formulation of the existence of minimal surfaces, now known as Plateau's problem. Furthermore, his study of soap films resulted in Plateau's laws, which define the structural properties of foams.

Academic Career and Recognition

Following a teaching position at the Gaggia Institute from 1829 to 1835, Plateau joined the faculty of Ghent University, where he remained until 1883. His work earned him membership in several prestigious organizations, including the Royal Society, the Royal Prussian Academy of Sciences, and the Royal Netherlands Academy of Arts and Sciences. He received multiple state honors, including the Knight of the Order of Leopold in 1841, the Officer of the Order of Leopold in 1859, and the Commander of the Order of Leopold in 1872.

Fast facts

Questions readers ask

Did Joseph Plateau invent cinema?

He developed the phénakistoscope, an early stroboscopic device that created the illusion of motion. While this technology provided a fundamental basis for subsequent developments in cinema, he did not invent cinema itself.

What caused Joseph Plateau's blindness?

Plateau lost his eyesight later in life. He attributed this condition to a previous experiment where he gazed directly into the sun for 25 seconds, though it is possible he suffered from chronic uveitis.

Achievements

Compare with the greats

Kurt G Del vs Ludwig Van BeethovenMichael Faraday vs RembrandtAlan Turing vs Karl MarxBobby Fischer vs Elon Musk
See the IQ Rankings →All comparisons →

Child prodigies

Ethan BortnickEthan BortnickGuinness World Record — Youngest Solo Musician to Headline a…Tathagat Avatar TulsiTathagat Avatar TulsiEarned a BSc at 11, an MSc at 12, and became an IIT professor…Lydia SebastianMensa Score 162 at Age 12 — Indian-British Doctor's Daughter…Colin CarlsonBegan university courses at nine and now forecasts the next…
Child prodigies →

Play & come back tomorrow

Daily Genius Challenge · Guess the genius
Scottish physicist who unified electricity, magnetism and light into one set of equations.
Tap your answer ↓
Which Genius Are You? Free IQ Test