One of the most recognizable artists in the world, his paintings are known for their waves, and Mt. Fuji often being located somewhere within the picture.
These links below help you gain a greater understanding of who Katsushika Hokusai was, and the impacts he has left on the world.
This first link provides you insight into his famous paintings, and the struggles he conquered in his journey into the world of art. This link provides you with an exceptional view and outlook that there is never to late to start painting.
Hokusai's Brittanica Biography provides a detailed description for those who are interested in a text heavy narrative of who Hokusai is an the achievements he accomplished throughout life. This web page is perfect for the Wikipedia lovers, and information rich understanding of a world class artist.
This is my favorite take on this amazing artist, while it states a substantial claim that impressionism may never have happened without him. I believe this link is necessary for anyone with a passion for impressionist art, and those who have a favorite impressionist to understand where their styles came from.