Simplify the following text for a Grade 9 native English-speaking person.
Original: His father , Christian Bohr , was professor of physiology at the University of Copenhagen ( it is his name which is given to the Bohr shift or Bohr effect ) , while his mother , Ellen Adler Bohr , came from a wealthy Jewish family prominent in Danish banking and parliamentary circles .
Simplified: His father was Christian Bohr , who was also professor of physiology at the University of Copenhagen . His mother was Ellen Adler Bohr .