Should we take the six days of creation literally as twenty-four hour days?

There are several theological and scientific views concerning the creation of all things; cosmos, earth, animals and man. The two foundational stones in each of these theories centers on; (1) the time it took for creation; billions of years to six literal days, and (2) who or what was the force behind creation. So should we take the six days of creation in Genesis chapter one litterally?