Le Corbusier was a Swiss-French architect who helped plan the city of Chandigarh in India. He designed several key buildings in Chandigarh including the Secretariat, High Court, Assembly building, and Museum and Art Gallery. Le Corbusier divided Chandigarh into sectors based on a grid pattern and established a hierarchy of roads. His buildings featured exposed concrete and brick with minimalist designs. The Open Hand monument in Chandigarh symbolizes peace and unity.