Thomas John --, founder of homes for destitute children (8)
![Ross](/clue/static/ross-mug.min.png)
I believe the answer is:
barnardo
(Other definitions for barnardo that I've seen before include "Thomas --, children's homes philanthropist" , "home provider" , "Orphanage-founding Doctor" , "Thomas -, children's homes founder" , "Children's-home Doctor" .)