Did Sergei Rachmaninoff live during the Romantic Period of music?

yes he did indeed

he was one of the last "greatest champions" of European romantic music

Rachmaninoff was one of the last great Russian romantic composers.

he was one of the most influential pianists of the century

he's a great composer!

he was born in 1873 and died in 1943

Better Answer

In the early part of his life, yes. The later part of his life was more in the Modern period of music.