Genesis 1:1; 1:16 BDC: Was light created or made, and was it on the first day or the fourth?

How is it that there could be light before the sun was made, or so it would seem?  The problem arises because the creation account comes across as though the sun was not created until the fourth day (1:14-16), yet there was light on the first day (1:3). The solution to this Bible difficulty lies below.