Of course, Windows will tell you who saved it the last time.
Cansel - Autodesk Division
Go to your File drp down > Drawing Properties then Statistic Tab
In my lowly opinion, it doesn't matter, sir.
The OP's looking for the complete users' list, which made something in a certain drawing, either for instance:
"This line was drawn by Matt, and dimensioned by Antonio "
or in general:
"This drawing was edited by Matt & Antonio"