Lubomir Kaválek, 1943-2021
Lubomir Kavalek was born in Prague in 1943. He left his country in 1968 and found a new home in the USA. In the 1970s he was one of the world's best players and also successful as a second and coach, including helping Bobby Fischer in Reykjavík. He was also a prolific writer, with dozens of well-read chess columns, including one he shared on ChessBase over the years. Kavalek passed away on January 18 at the age of 77. He will be sorely missed.
Source: chessbase.com