[1] She attended North High School in Denver and was part of the Girls' Athletics Society.

[8][9][4][5][6][7] In 1943 Sink was named Supervisor of Laboratory Personnel and was responsible for hiring 500 women during the Second World War.

Sink gained her chartered member status in the Society of Women Engineers, in the Detroit Section in 1952.

Sink worked on the LA smog project from 1957 until 1962 when she co-developed Chrysler's Cleaner Air Package.

Sink was the focus of Charm Magazine in 1956 when they called her a "Symbol of Detroit's Working Women".