Complex sentence: The first formal academic research symposium on Design Thinking was organized at Delft University of Technology, The Netherlands, in 1991; and the initiative was primarily led by Nigel Cross, Norbert Roozenburg, and Kees Dorst.
Split into simpler sentences: The first formal academic research symposium on Design Thinking was organized at Delft University of Technology, The Netherlands, in 1991. The initiative was primarily led by Nigel Cross, Norbert Roozenburg, and Kees Dorst.