His chair of pure mathematics was however a little unfortunate as Jeffrey had to leave many parts of that subject to his assistants

Can you repeat this sentence, but add in punctuation?
His chair of pure mathematics was, however, a little unfortunate as Jeffrey had to leave many parts of that subject to his assistants.
The House is located NEA Avenida Diagonal and the Tur Parc Enjoy the security and tranquility of living in one of the most exclusive areas of Barcelona in a building with Concierge service

Can you repeat this sentence, but add in punctuation?
The House is located NEA Avenida Diagonal and the Turo Parc. Enjoy the security and tranquility of living in one of the most exclusive areas of Barcelona, in a building with Concierge service.
With the assistance of Carathodory also a professor at Munich Perron tried to obtain an invitation for Bochner to go to Harvard

Can you repeat this sentence, but add in punctuation?
With the assistance of Caratheodory , also a professor at Munich, Perron tried to obtain an invitation for Bochner to go to Harvard: