what bill did he create?
He compiled and analyzed data from the Bills of Mortality.
John Graunt
Graunt's book "Natural and Political Observations Made upon the Bills of Mortality" (published 1662 Old Style or 1663 New Style) compiled and analyzed data from the Bills of Mortality. 
what is an 'actuary'? A business professional who deals with the measurement and management of risk and uncertainty. what is its traditional employment requirements? Calculation skills, using sophisticated approximations called commutation functions, to facilitate timely, accurate, manual calculations of premiums. what are some early ones? Charitable operations; A small sum was paid into a communal fund on a weekly basis, and upon the death of a member, the fund would cover the expenses of rites and burial ; Non-life insurance when did its theory develop? 17th century where did it develop? England who is responsible for its creation? John Graunt, Edmond Halley where was the former person from? London
wiki:13961120
John Graunt [SEP] "Natural and Political Observations Made Upon the Bills of Mortality"
Graunt's book "Natural and Political Observations Made upon the Bills of Mortality" (published 1662 Old Style or 1663 New Style) compiled and analyzed data from the Bills of Mortality. Graunt, using the Rule of Three (mathematics) and ratios obtained by comparing years in the Bills of Mortality, was able to make estimates about the size of the population of London and England, birth rates and mortality rates of males and females, and the rise and spread of certain diseases.