Original sentence: An [[Oldham Evening Chronicle|Oldham Chronicle obituary of 1925 said: “Dr Niven also showed an interest in child welfare well in advance of his time.Doctors and physicians in Oldham raised enough money to send Dr Niven to Berlin to study with Dr Robert Koch, who had discovered the TB bacillus in 1882, therebyproving that the disease was not caused by “bad air” as was generally believed
Edited sentence: An Oldham Chronicle obituary of 1925 said: “Dr Niven also showed an interest in child welfare well in advance of his time.Doctors and physicians in Oldham raised enough money to send Dr Niven to Berlin to study with Dr Robert Koch, who had discovered the TB bacillus in 1882, thereby proving that the disease was not caused by “bad air” as was generally believed