Gilbert Baker, who created the rainbow flag, known for its representation of gay, lesbian and transgender rights, has died at the age of 65.
The San Francisco based artist died in his sleep at his home in New York on Thursday night.
Rainbow flags have been lowered to half mast at many US locations in his memory. He designed the flag in 1978.
Tributes have been pouring in for Mr Baker on Twitter, where fans said he'll be sorely missed: