Bohdan Paczyński or Bohdan Paczynski was a Polish astronomer notable for his theories and work in the fields of stellar evolution, accretion discs, and gamma ray bursts. He is the recipient of the Edd
Steven Andrew Balbus is an American astrophysicist who is the Savilian Professor of Astronomy Emeritus at the University of Oxford and a senior research fellow at New College, Oxford. In 2013, he shar