[yureka]

Judging by his Ph.D. thesis "Surface Properties of Ground-State Nuclear Matter" (accessed via PROLA).

He lists the following people in his acknowledgements:

http://phdtree.org/scholar/martin-paul-cecil/

http://phdtree.org/scholar/martin-paul-cecil-2/

http://phdtree.org/scholar/puff-robert-david/

http://phdtree.org/scholar/gottfried-kurt/

You could always try emailing them to ask if they were an advisor of Reynolds?