Their life story, which includes:
date of birth,
parents,
place of birth,
cultural heritage,
education,
personal relationships,
influential friendships,
major areas of interest and study,
hobbies,
children, etc.
Remember, your biography webpage will be COMPREHENSIVE, meaning you will demonstrate a full understanding of this person's life based on your research.
Their significant contribution: what is the main contribution to the person's field (what are they known for)? The Significant Contribution Video Documentary will focus on this contribution and its impact on the world, so you must understand it to the best of your ability based on your research.