<p><b>A comprehensive history of the barriers faced by students from marginalized racial, ethnic, and religious groups to gain access to predominantly white colleges and universities¿and how these students responded to these barriers.</b></p><p>Affirmative action in college admission is one of the most contested initiatives in contemporary federal policy, from its beginnings in the 1960s through the 2014 lawsuit alleging that Harvard discriminates against Asian American applicants. Supporters point out that using race and ethnicity as a criterion for admission helps remediate some of the effects of racist practices on minorities, including restrictions on college admissions. Opponents insist that the practice violates civil rights laws that prohibit racial discrimination and that it reenacts the historic racial bias of colleges. </p><p>In <i>Unwelcome Guests</i>, Harold S. Wechsler and Steven J. Diner argue that discrimination in college admissions has a long and troubling history in t