Hugh Syme is a graphic artist, he is best known for his artwork and cover concepts for rock and metal bands. He is also a musician and has appeared in some Rush songs as a keyboard player. He is notably responsible for all of Rush's album cover art since 1975's Caress of Steel. He also created Rush's famous starman logo. He has said on several occasions that he never imagined the band would use it as their main logo. Wikipedia
The definitive Wikipedia entry for Hugh Syme. Wikipedia is the biggest multilingual free-content encyclopedia on the Internet. en.wikipedia.org/wiki/Hugh_Syme