Wilhelm (later William) Steinitz (May 17 1836 – August 12 1900) was an Austrian and later American chess player and the first undisputed world chess champion from 1886 to 1894. From the 1870s onwards commentators have debated whether Steinitz was effectively the champion earlier.
Prague, Austrian Empire, Kingdom of Bohemia
Austrian Empire, Kingdom of Bohemia
year of world champion title
1886–94 (undisputed), Earlier dates are debated by commentators