He is credited with designing the city and organizing its amenities and infrastructure , and is considered one of the founding fathers of Odessa , together with another Frenchman , Count Andrault de Langeron , who succeeded him in office .
He is credited with designing the city and organising its amenities and infrastructure , and is considered one of the founding fathers of Odessa , together with another Frenchman , Count Alexandre Langeron , who succeeded him in office .