Bob McAdoo finished 1973-74 with 30.6 PPG and 15.1 RPG, the last time an NBA player has finished a season with at least 30 PPG and 15 RPG.

Who was the last player with 30 PPG and 15 RPG in a season?
Interpreted as:
Who was the last player with 30 or higher PPG and 15 or higher RPG in a season?