Short answers, pulled from the story.
Scientists reported the discovery of a figurative painting in the Lubang Jeriji Saléh cave on the Indonesian island of Borneo in 2018. This artwork depicts an unknown animal and is estimated to be over 40,000 years old, perhaps as old as 52,000 years.
A later study published in July 2024 by the journal Nature identified cave paintings in Leang Karampuang as approximately 51,200 years old. These images show anthropomorphic figures interacting with a pig, establishing them as the oldest known paintings in the world.
Leonard Bocour and Sam Golden invented solution acrylic paint under the brand Magna paint between 1946 and 1949. George Rowney introduced artists' acrylic paints in Europe in 1963 under the brand name Cryla.
A significant event of 1863 was the Salon des Refusés created by Emperor Napoleon III to display all paintings rejected by the Paris Salon. The Impressionists initially organized yearly group exhibitions during the 1870s and 1880s after being rejected from the most important commercial show of the time.
Newton presented A new theory of light and colours to the Royal Society in 1671. Color theory was explored by thinkers including Goethe Kandinsky and Newton with Goethe writing his own color theory while Kandinsky published Concerning The Spiritual in Art translated by Michael T. H. Sadler.