Discuss the origin and philosophy of the Push Pin Studio and present the work of two of its co-founders, Milton Glaser and Seymour Chwast

The Push Pin school of graphic design and illustration offered an alternative to the narrative illustration of the past, the mathematical and objective typographic and photographic approach of the International Typographic Style, and the formal concerns of the New York School. Discuss the origin and philosophy of the Push Pin Studio and present the work of two of its co-founders, Milton Glaser and Seymour Chwast. Include three examples of each and discuss their unique visions and design approaches.