She played an important part in the development of modern art in America, becoming the first female painter to gain respect in New York's art world in the 1920s. Her unique and new way of painting nature, simplifying its shapes and forms meant that she was called a pioneer.

Learn more about her in the following 2 videos.

Jan is renowned for being one of the greatest innovators in book illustration, particularly for his signature silhouette cut-out illustrations and his pioneering pop-ups. His books tread the perfectly fine line between being slightly frightening but also humorous and fun. Jan says: 'It’s ok to have scary books, as long as you’re tucked up in bed, because it’s a safe distance.
http://www.janpienkowski.com/about-jan/about-jan.htm