Date of Birth: 
Place of Birth: Łódź, Łódź Voivodeship, Poland
About Andrzej Udalski
- Andrzej Udalski (born 22 January 1957 in Lódz, Poland) is a Polish astronomer and astrophysicist, and director of the Astronomical Observatory of the University of Warsaw.
- He is also head of the Department of Observational Astrophysics at Astronomical Observatory, the head and project manager of the Optical Gravitational Lensing Experiment, and editor of the quarterly journal Acta Astronomica.
Read more at Wikipedia