Harry is the only right answer. He was the only one mentioned on TIME Magazine's Influential musicians poll, he is the most publicized-about of the five, he is the primary vocalist (although Liam and Zayn are close behind) and he is almost always considered the leader of the group.
Potential solo careers wise: Harry > Zayn > Liam
The other two don't stand a chance tbh. What are their names again?
