Milan Vidmar (22 June, 1885 - 9 October, 1962) was a Slovene chess player, philosopher, writer and electrical engineer.
He was born in a middle-class family in Ljubljana. He began his studies at university as a mechanical engineer in 1902, and graduated in 1907 at the University of Vienna. In 1911 he received his doctor’s degree, and became a professor at the University of Ljubljana. He is the member of the Slovene Academy of Arts and Sciences and the founder of the Faculty of Electrical Engineering. In 1948 he established the Institute of Electrotechnics, which bears his name today.
Vidmar was also a leading chess player, probably one of the top 50 chess players in the world from 1911 to 1929, as an amateur during all that time. In 1950 he was awarded the International Grandmaster title.
He achieved shining results during his career. At 1907 Carlsbad he finished sixth, third at Prague 1908, first at Gothenburg 1909, 7th at the Nordic Chess Championship. He finished in the leading bunch in further events as well.
The Slovene Chess Federation organizes an International Chess Grandmaster Tournament named the Milan Vidmar Memorial.
Vidmar later became an arbiter; he was the chief referee of the 1948 World Chess Championship in The Hague/Moscow.
He wrote many books related to chess including Pol stoletja ob šahovnici (Half a century at the chessboard), Šah (Chess), Razgovori o šahu z začetnikom (Conversations on chess with a beginner), Goldene Schachzeiten (The Golden Times of Chess) and other electronic and philosophical writings.
His son, Milan Vidmar Jr. was an International Chess Master.
According to Chessmetrics historical rating his highest score was 2731.
Sources: https://en.wikipedia.org; http://www.chessmetrics.com