Which sentence uses capitalization correctly? My father studied about the nile river with Professor Waleed d. Najaar at Smithtown University. My father studied about the Nile River with professor Waleed D. Najaar at Smithtown University. My father studied about the Nile River with Professor Waleed D. Najaar at Smithtown University. My father studied about the Nile River with Professor Waleed D. Najaar at smithtown university.