Identify the complete and simple subject in these sentences #11-17

11.
Complete: "One of the first advocates of medical hygiene and the use of antiseptics"
Simple: "one"

12.
Complete: "This German-Hungarian physician"
Simple: "physician"

13.
Complete: "In 1844, he"
Simple: "he"

14.
Complete: "His first position"
Simple: "position"

15.
Complete: "Semmelweis"
Simple: "Semmelweis"

16.
Complete: "He"
Simple: "He"

17.
Complete: "Semmelweis, who was a true pioneer"
Simple: "Semmelweis"

Hope that helped! Let me know if you need me to clarify something :)