Read the first three (3) chapters of the text, Cheaper by the Dozen by Frank Gilbreth, Jr. and Ernestine Gilbreth Carey (attached here and located free online). What management theories are described in the book? How did the Gilbreths apply their theories in their family situation? How do you think their family situation inspired new management ideas?

https://books.google.com/books?id=dQRPAQAAQBAJ&lpg=PP1&dq=cheaper%20by%20the%20dozen%20gilbreth%20book&pg=PP1#v=onepage&q&f=false

will attach management theories and additional info.