|Booker DeWitt||6 ft & 1 in||~ 38 years old|
ANALYSIS OF THE BIOSHOCK INFINITE MAIN CHARACTER’S AGE
Booker DeWitt is a private investigator and, prior to his reluctant arrival in Columbia, a former soldier and Pinkerton agent according to Bioshock Fandom. Moreover, the height is also mentioned on the website which is 6 feet and 1 inch.
So, we only estimated his age. As mentioned on Bioshock Fandom, he is a private investigator which gives us a hint that he is an adult man. Furthermore, he looks like on his 30s so he probably is 38 years old.