As an unavoidable art form, “architecture is one of humanity’s most visible and long-lasting forms of expression,” writes Complex Media. Within the past 150 years—the period of modern architecture—a distinct form of artistry has developed, significantly changing the way we look at the urban environments around us. To highlight some of the key figures in architecture over the past 150 years, Complex Media has created a list of “25 Architects You Should Know,” covering a range of icons including Zaha Hadid, Ieoh Ming Pei, Philip Johnson, Oscar Neimeyer, SOM, Daniel Libeskind, and more. Read the full list to learn more about each iconic architect, here.