Modernist (noun)

1. A person who follows or supports the principles of modernism in art, architecture, literature, or culture.
2. A person who follows or supports the principles of progress and innovation.

Origin:

Early 20th century: from modern + -ist.

Examples:

1. The painter was a modernist who rejected traditional forms and techniques.
2. The architect was a modernist who designed innovative buildings.
3. The author was a modernist who wrote in new and experimental forms.
4. The poet was a modernist who rejected traditional forms and themes.
5. The politician was a modernist who advocated for progress and change.