Teaching career
Mrs Biden, 69, has spent decades working as a teacher.
As well as a bachelor’s degree, she has two master’s degrees, and a doctorate of education from the University of Delaware in 2007.
Prior to moving to Washington, DC, she taught at a community college, at a public high school and at a psychiatric hospital for adolescents – she gave her address at the Democratic Party’s convention this year from her old classroom at Delaware’s Brandywine High School, where she taught English from 1991 to 1993.
While her husband served as vice-president, Mrs Biden was professor of English at Northern Virginia Community College.
“Teaching is not what I do. It’s who I am,” she tweeted in August.
Read the entire piece here by BBC News