For 10 points, identify this Japanese author of "Hell Screen", "Rashomon", and "In a Grove".
The protagonist of one of this man's works erects a sign claiming that that story's title figure will ascend to heaven from a pond on the third day of the third month. The central figure of another of his stories watches his daughter and her pet monkey burn to death in a carriage after torturing his apprentices to capture their suffering while painting the title work. This author of "Dragon: the Old Potter's Tale" also wrote a story in which a servant steals the robe of an old woman who collects hair from corpses at the titular gate and a story consisting of seven different accounts of the murder of Takehiro. For 10 points, identify this Japanese author of "Hell Screen", "Rashomon", and "In a Grove".
The protagonist of one of this man's works erects a sign claiming that that story's title figure will ascend to heaven from a pond on the third day of the third month.
Ryunosuke {Akutagawa} [or Ryunosuke {Niihara}; also accept either name in {reverse} order]