Wojciech Krzemiński

Wojciech Krzemiński (20 May 1933–5 August 2017) was a Polish astronomer and a retired professor of Nicolaus Copernicus Astronomical Center of Polish Academy of Sciences. He worked many years for the Carnegie Institution for Science Observatories. Krzemiński also discovered the optical companion of X-ray pulsar Centaurus X-3, which was named "Krzemiński's Star" in his honor.
He was also one of the first astronomers who correctly interpreted the nature of polar stars like AM Herculis.
Krzemiński died on 5 August 2017 in Warsaw at the age of 84.