“Malala Yousafzai.” Encyclopædia Britannica, Encyclopædia Britannica, Inc., www.britannica.com/biography/Malala-Yousafzai. Accessed 13 Jan. 2026.

“Nelson Mandela.” Encyclopædia Britannica, Encyclopædia Britannica, Inc., www.britannica.com/biography/Nelson-Mandela. Accessed 13 Jan. 2026.

“Martin Luther King, Jr.” Encyclopædia Britannica, Encyclopædia Britannica, Inc., www.britannica.com/biography/Martin-Luther-King-Jr. Accessed 13 Jan. 2026.

“Michelle Obama.” Encyclopædia Britannica, Encyclopædia Britannica, Inc., www.britannica.com/biography/Michelle-Obama. Accessed 13 Jan. 2026.