Were Gospel biographies fictitious?

Once a professor told me that ancient biographies, including the Gospels, were fictitious. Can you always believe everything your professor tells you? (Maybe some professors more than others …) Find out more on this 1-minute clip:

This is excerpted from a course on Matthew available for free at: http://faculty.gordon.edu/hu/bi/ted_hildebrandt/DigitalCourses/00_DigitalBiblicalStudiesCourses.html#Matthew_Keener