Answer
Ricardo Viñes was Poulenc's mentor. Viñes, a renowned pianist and composer, played a pivotal role in shaping Poulenc's musical development. He recognized Poulenc's talent early on and provided him with guidance and support. Viñes introduced Poulenc to the works of Debussy and Ravel, which had a profound influence on his compositional style. He also encouraged Poulenc to explore his own unique voice and develop his own musical language.