Madison Grant was an American lawyer

Lawyer

A lawyer, according to Black's Law Dictionary, is "a person learned in the law; as an attorney, counsel or solicitor; a person who is practicing law." Law is the system of rules of conduct established by the sovereign government of a society to correct wrongs, maintain the stability of political...

, historian

Historian

A historian is a person who studies and writes about the past and is regarded as an authority on it. Historians are concerned with the continuous, methodical narrative and research of past events as relating to the human race; as well as the study of all history in time. If the individual is...

 and physical anthropologist, known primarily for his work as a eugenicist

Eugenics

Eugenics is the "applied science or the bio-social movement which advocates the use of practices aimed at improving the genetic composition of a population", usually referring to human populations. The origins of the concept of eugenics began with certain interpretations of Mendelian inheritance,...

 and conservationist

Conservationist

Conservationists are proponents or advocates of conservation. They advocate for the protection of all the species in an ecosystem with a strong focus on the natural environment...

. As a eugenicist, Grant was responsible for one of the most famous works of scientific racism

Scientific racism

Scientific racism is the use of scientific techniques and hypotheses to sanction the belief in racial superiority or racism.This is not the same as using scientific findings and the scientific method to investigate differences among the humans and argue that there are races...

, and played an active role in crafting strong immigration restriction

Immigration Act of 1924

The Immigration Act of 1924, or Johnson–Reed Act, including the National Origins Act, and Asian Exclusion Act , was a United States federal law that limited the annual number of immigrants who could be admitted from any country to 2% of the number of people from that country who were already...

 and anti-miscegenation laws

Anti-miscegenation laws

Anti-miscegenation laws, also known as miscegenation laws, were laws that enforced racial segregation at the level of marriage and intimate relationships by criminalizing interracial marriage and sometimes also sex between members of different races...

 in the United States.

As a conservationist, Grant was credited with the saving of many different species of animals, founding many different environmental

Environmentalism

Environmentalism is a broad philosophy, ideology and social movement regarding concerns for environmental conservation and improvement of the health of the environment, particularly as the measure for this health seeks to incorporate the concerns of non-human elements...

 and philanthropic organizations and developing much of the discipline of wildlife management.
Grant was born in New York City, New York to Gabriel Grant, a well-known physician

Physician

A physician is a health care provider who practices the profession of medicine, which is concerned with promoting, maintaining or restoring human health through the study, diagnosis, and treatment of disease, injury and other physical and mental impairments...

 and American Civil War

American Civil War

The American Civil War was a civil war fought in the United States of America. In response to the election of Abraham Lincoln as President of the United States, 11 southern slave states declared their secession from the United States and formed the Confederate States of America ; the other 25...

 surgeon

Surgeon

In medicine, a surgeon is a specialist in surgery. Surgery is a broad category of invasive medical treatment that involves the cutting of a body, whether human or animal, for a specific reason such as the removal of diseased tissue or to repair a tear or breakage...

, and Caroline Manice.