os-matisse-grandson-birthday-students World-renowned artist Pierre Henri Matisse celebrates his 90th birthday by teaching fourth-graders at Innovation Montessori Ocoee school, in Ocoee, Fla., Thursday, Feb. 1, 2018. At the easel, from left, is Lucy Defelice, Madison Zurek and Alexandra Ben-Israel. Matisse is the grandson of Henri Matisse, the early 20th-century visionary that was a pioneer in contemporary modern art. Growing up, Pierre was taught by his legendary grandfather and surrounded by family friends that included Pablo Picasso, John Effel, the brothers Auguste and Louis Lumière, Maurice De Vlaminck, and Aristide Maillol among others. On Thursday, Orange County mayor Teresa Jacobs declared it "Pierre Henri Matisse Day." (Joe Burbank/Orlando Sentinel) 3035950 (Joe Burbank / Orlando Sentinel)

World-renowned artist Pierre Henri Matisse celebrates his 90th birthday by teaching fourth-graders at Innovation Montessori Ocoee school, in Ocoee, Thursday, Feb. 1, 2018. Matisse is the grandson of Henri Matisse, the early 20th-century visionary that was a pioneer in contemporary modern art. Growing up, Pierre was taught by his legendary grandfather and was surrounded by family friends that included Pablo Picasso, John Effel, the brothers Auguste and Louis Lumière, Maurice De Vlaminck, and Aristide Maillol among others. On Thursday, Orange County mayor Teresa Jacobs declared it "Pierre Henri Matisse" day.  (Joe Burbank/Orlando Sentinel)