S Chair – Verner Panton This classic award winning chair was created in 1967 and is quite popular among modern design aficionados. Panton created the first single-form injection-molded plastic chair and went on to design the S chair for the demand of its eye catching curves.
LC7 Armchair – Le Corbusier Le Corbusier was one of the most influential architects of the 20th Century and still managed to pull off some of the greatest furniture designs in history. The LC7 armchair has the perfect proportions for a chair composed of mostly polished chrome frame.
Egg chair designed by Arne Jacobsen in 1958 It's steel frame, high curved back and rounded bottom gives it great volume and works well in open modern spaces with high ceilings, like a loft or a library (excerpt from home-designing.com's article: Modern Classic Chairs)