Simplify the following text for a Grade 10 native English-speaking person.
Original: After an unsuccessful attempt to hire the German conductor , Wilhelm FurtwÃ ngler , the English conductor John Barbirolli and the Polish conductor Artur RodziÅ ski were joint replacements for Toscanini in 1936 .
Simplified: The English conductor John Barbirolli and the Pole Artur Rodzinski , were joint replacements for Toscanini in 1936 .