of the City of Philadelphia, serving from 1952–1968. In 1959, when her husband was appointed to the Court of Common Pleas in Philadelphia, she opened her own law office. She continued to practice law independently until her husband's death in 1974. In 1976, she joined the firm of Atkinson, Myers, and Archie as a general counsel, where she remained until her retirement. Mossell Alexander died on November 1, 1989, at Cathedral Village in Andorra, Philadelphia, from pneumonia as a complication from Alzheimer's disease. She was buried in West Laurel Hill Cemetery. Family Her maternal grandfather was Benjamin Tucker Tanner (1835–1923), a bishop in the African Methodist Episcopal Church (AME) and editor of the Christian Recorder. Bishop Tanner and his wife had seven children, including Henry Ossawa Tanner (1859–1937), who became a noted painter, and Hallie Tanner Johnson, the first female physician to practice medicine in Alabama and who established the Nurses' School and Hospital at the Tuskegee Institute in Alabama. Her father, Aaron Albert Mossell II (1863-1951), was the first African-American graduate of the University of Pennsylvania School of Law and practiced as a lawyer in Philadelphia. In 1899, when his daughter Sadie was a one year old, he abandoned his family and moved to Wales. Her uncle, Nathan Francis Mossell (1856–1946) was the first African-American graduate of the University of Pennsylvania School of Medicine. Mossell Alexander's siblings include Aaron Albert Mossell III (1893–1975), who became a pharmacist; and Elizabeth Mossell (1894–1975), who became a Dean of Women at Virginia State College, a historically black college. During her high school years, Mossell lived in Washington, DC, with her uncle, Lewis Baxter Moore, who was dean at Howard University. On November 29, 1923, Sadie Tanner Mossell married Raymond Pace Alexander (1897–1974) in her parents' home on Diamond Street in North Philadelphia, with the ceremony performed by her father. Alexander, the son of slaves, grew up in Philadelphia. He attended and graduated from Central High School (1917, valedictorian), Wharton School of the University of Pennsylvania (1920), and Harvard Law School (1923). At the time of this marriage, he had established a law practice in Philadelphia. Sadie and Raymond had four premature children, with only the last two surviving. They were able to raise two daughters: Mary Elizabeth Alexander (born 1934), who married Melvin Brown; and Rae Pace Alexander (born 1937), who earned a PhD. and married Archie C. Epps III. After her