David Bowie is certainly the type of artist who has had absolutely no problem evolving as an artist. His music evolved with the times, rather than churning out the same album year after year some some/most artists.

You can look compare his first album with his latest album and certainly see the contrast.

In the animated video below, he talks about his Ziggy Stardust character and why the character had short shelf-life (1 to 2 albums worth of material).