1880年出生于苏格兰爱丁堡。他小时候就有着非凡天赋，后进入爱丁堡艺术学院学习绘画，毕业后搬到伦敦，20岁就当上医学插画家。1903年进入伦敦新闻画报工作，1907年成为自由艺术家。第一次世界大战后，威廉的艺术生涯开始蓬勃发展，在法国和西班牙制作了一批反映当地风景和文化的精彩画作。1924年选为英国皇家学院教授，1936年当选为英国皇家水彩画学会会长，1947年被封为爵士。威廉·卢梭·弗林特是英国当代水彩画坛上享有盛誉的画家，是一位重写实、不迎合现代主义流派的画家，也是水彩画史上极为突出的裸体人物画家，特别是他在用水彩表现人体方面，成就之大后人无人超越，故曾两度出任英国皇家水彩画家协会会长。

Born in 1880 in Edinburgh, Scotland. After he had a special talent, as a child enters the Edinburgh college of art painting, after graduation moved to London, when the medical illustrator at age 20. Enter the illustrated London news work, 1903, 1907 as a free artist. After the first world war, William's artistic career began to flourish, in France and Spain made a batch of the wonderful paintings reflect the local landscape and culture. Elected to the royal, a professor at the school in 1924, was elected to the royal watercolor painting association, 1936, 1947 was created for the jazz. William Rousseau flint is the contemporary watercolor painting on the renowned painter, is a realistic, don't cater to modernist school painter, is also the history of watercolor painting is the naked figure painters, in particular, he in with watercolor human performance, achievement of later generations is unsurpassed, therefore, has twice served as the royal watercolor painters association.