How real is the Character in "An Inspeactor Calls"?

I will be analysing the question carefully, I will be looking into the character the Inspector, if he is believed, how he treats other characters and John Priestleys intentions.

Priestley served in the war throughout 1914 - 1918. The play was written in the winter of 1944 - 5 yet was set in 1912 before the war; its centres around the Birling family. A visit from a mysterious Inspector Goole challenges the family about their involvement in the suicide of a young girl called Eva Smith.

At the beginning of the play the Birling family are happily enjoying a meal and celebrating the engagement of Gerald Croft and Sheila Birling. Birling starts to say a speech about community, he starts saying “The ways some of these cranks talk and write now you’d think everybody has to look after everybody else, as if we were all mixed up together like bees in a hive - community and all that nonsense.” This was a perfect time for the Inspector to come in to go against what Birling has jus...