luboš dobrovský (born luboš hamerschlag; 3 february 1932 – 30 january 2020) was a czech journalist, activist and politician. he signed charta 77 in the 1970s and was a spokesman of the civic forum in 1989. he was the minister of defence from 1990 to 1992 and ambassador to russia from 1996 to 2000. he was born in kolín, czechoslovakia.