I believe you are looking for F. Scott Fitzgerald.
Answer:
*drops braincells* w-what did i just wittness bruv-
Explanation:
If you add more gray to a color, it make the color a darker shade of whatever the color is, if you were to add white it'd be a lighter shade of color
Roberto was an interesting man and had a very productive life. Also, nobody knew what happened when he was released.