Who developed collage and mosaic?

Collage and mosaic as artistic techniques have roots in various cultures and periods. Collage emerged prominently in the early 20th century, attributed to artists like Pablo Picasso and Georges Braque, who incorporated mixed media into their works. Mosaic, on the other hand, dates back to ancient civilizations, with significant contributions from the Greeks and Romans, who used small pieces of materials to create intricate designs. Both forms have evolved over time, influenced by a range of artists and cultural contexts.