Why Marjorie Stewart Joyner die?

Answer 1

Marjorie Stewart Joyner is an inventor that invented a permanent waving machine. She was like a sidekick to Madam C. J. Walker. Marjorie Stewart Joyner is an inventor that invented a permanent waving machine. She was like a sidekick to Madam C. J. Walker.

Answer 2

Marjorie Stewart Joyner invented the permanent wave machine.

Answer 3

Marjorie Stewart Joyner, died from a heart failure om Chicago on December 27, 1994. At the age of 98.