How to Pronounce Balthasar van der Pol
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Jan 27, 1889 Utrecht, Netherlands Died on 06 Oct 1959 (aged 70)
Dutch physicist
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About Balthasar Van Der Pol
- Balthasar van der Pol (27 January 1889 – 6 October 1959) was a Dutch physicist. Van der Pol began his studies of physics in Utrecht in 1911.
- J.
- A.
- Fleming offered van der Pol the use of the Pender Electrical Laboratory at University College for a study of the heuristics of wireless reception on board ships.
- In England he also worked with J.
- J.
- Thomson.
- Upon his return to Holland, Balthsar worked with Hendrick Lorentz at Teylers Stichting.
- For his thesis he wrote The effect of an ionised gas on electro-magnetic wave propagation and its application to radio, as demonstrated by glow-discharge measurement under the supervision of Willem Henri Julius.
- He was awarded his Ph.D.
- in 1920.
- He joined Philips Research Laboratories in 1921, where he worked until his retirement in 1949. As observed by Hendrik Casimir, "Radio might have remained a field of haphazard empiricism along with wild commercial ventures, but for the influence of men like Van der Pol who stressed the need for a more scientific approach."The differential equations of coupled electrical systems drew his interest, and he developed the idea of "relaxation oscillations".
- With J.
- van der Mark he applied the idea to the heartbeat.
- which provided one of the earliest quantitative models of the action potential.
- These studies led him to the van der Pol equation and Oliver Heaviside’s operational calculus for dealing with differential equations.
- He submitted articles to Philosophical Magazine on the operational calculus and, in coordination with H.
- Bremmer, wrote Modern Operational Calculus based on the Two-sided Laplace Integral, published by Cambridge University Press. He was awarded the Institute of Radio Engineers (now the IEEE) Medal of Honor in 1935.
- The asteroid 10443 van der Pol was named after him. Van der Pol became member of the Royal Netherlands Academy of Arts and Sciences in 1949.
