Abdul–Aziz Yakubu (mathematician)
Abdul–Aziz Yakubu (4 April 1958 – August 2022) was a mathematical biologist. Yakubu was a professor at Howard University for over 20 years and served as chair of the mathematics department from 2004 to 2014. Early life and education Abdul-Aziz Yakubu was born on 4 April 1958 in Accra, the capital city of Ghana. He attended Accra Academy for high school education. Yakubu became interested in math while studying at the University of Ghana - Legon, where he earned his B.S in mathematics and computer science in 1982. In 1985, Yakubu earned his master's degree in applied mathematics from the University of Toledo in Ohio. Before continuing to Howard University, he attended North Carolina State University and received his doctoral degree in applied mathematics in 1990. For his Ph.D., he wrote his dissertation, "Discrete time competitive systems" under the advisement of John Franke. Career Yakubu’s first research experience was at North Carolina State University, and his first faculty position was held at Howard University, a historically black research university (HBCU) in Washington, D.C. While at Howard he spent a year as a long-term visitor by participating in “Mathematics in Biology” at the University of Minnesota. The program at the University