The United States Holocaust Memorial Museum in Washington, D.C., commemorates those who died in the Holocaust and strives to confront bigotry and genocide throughout the world today.

Human Rights Watch is an independent, nongovernmental organization dedicated to protecting human rights worldwide. Contact HRW via one of its local offices.

Ricken Patel is founding President and Executive Director of Avaaz, “a global web movement to bring people-powered politics to decision-making everywhere.” Avaaz has more than 20 million subscribers and activists.

Gregory Stanton is president of Genocide Watch, a Washington, D.C., organization that “exists to predict, prevent, stop, and punish genocide and other forms of mass murder,” including in Sudan. Its board of advisers includes academics from around the country.

United to End Genocide began as the Genocide Intervention Network at Swarthmore College in 2005 as a way to raise money to help resolve the Darfur crisis. It has developed into a network of campus groups across the country. It is now based in Washington, D.C.

The Save Darfur Coalition is an alliance of more than 170 faith, advocacy and humanitarian organizations, representing all the major religions and dozens of Jewish, Muslim and Christian groups. It advocates for public awareness and public policy change and provides aid. It is now part of the United to End Genocide coalition.

The Islamic Center of America in Dearborn, Mich., claims to be the largest mosque in the U.S. It is a Shiite mosque, and its congregation is predominantly Arab. Contact Imam Sayed Hassan Al-Qazwini.

Karim was an assistant professor in the department of philosophy and religious studies at Spelman College in Atlanta. She was reared in an African-American Muslim community. Her expertise is on race, gender and Islam; younger Muslims in the U.S.; and connections and tensions among African-American Muslims and immigrant Muslims in the U.S.

Zaheer Ali is a doctoral candidate at Columbia University researching 20th-century African-American history and religion; he is project manager for Columbia’s Malcolm X Project.