Which of man had the greatest influence on the development of laissez faire capitalism

Great Britain under the influence of the philosopher and economist Adam Smith.

common sense was a pamphlet by thomas paine which advocated the independence of the thirteen colonies from great britain.

well this is going to be a long answer lol ok so the visigoths were a branch of the goths who frequently raided rome, uh the hunas attacked the guptas a lot and weakened them, uuhm of course the romans used math and science in there every day lives i mean they had a whole empire to run, and rome was split into east and west by a general named diocletian. hope this you! : )