Complex sentence: Cesar Augusto Sciammarella (born August 22,1924) Is one of the leaders in the field of experimental mechanics he has pioneered many of the optical techniques widely used for 3D reconstruction, and stress and strain analysis.
Split into simpler sentences: Cesar Augusto Sciammarella (born August 22,1924) has made significant contributions to the field of experimental mechanics. His fundamental research is widely used for 3D reconstruction, and stress and strain analysis.