Simplify the following text for a Grade 11 native English-speaking person.
Original: In 1919 , a Sephardic Jewish entrepreneur named Isaac Carasso started a small yoghurt business in Barcelona and named the business Danone ( `` little Daniel '' ) after his son .
Simplified: In 1919 , Carasso , who was from Ottoman Salonika , started a small yoghurt business in Barcelona and named the business Danone ( `` little Daniel '' ) after his son .