Can anyone help me do a comparative studies of leonardo da vinci and michael angelo?

Can anyone help me do a comparative studies of leonardo da vinci and michael angelo? Im hard doing this, this is my project in school. Help me please. I need to know what are those things that they have in common and what are those things that leonardo have without michael angelo and vice versa. Also difference or similarities about their major influence, craft, cross roads etc.. Anything that leonardo had and without michael.. please..