Frank and Lillian Gilbreth introduced the flowchart .
The first structured method for documenting process flow , the `` flow process chart '' , was introduced by [ Kauro tshikawa ] in the presentation `` Process Charts : First Steps in Finding the One Best Way to do Work '' , to members of the American Society of Mechanical Engineers ( ASME ) in 1921.Frank Bunker Gilbreth , Lillian Moller Gilbreth ( 1921 ) Process Charts .
Flowchart