Here's an idea of what my character looks like. Half-Asian, half-English man. He has many more tattoos though.

[img]https://encrypted-tbn0.gstatic.com/images?q=tbn:ANd9GcQPJ-y6XNLU9TVg7oadf7Ggf9GFtM7Rh_LrOdK7mjFwENvDg8njoWjamGG8[/img]

EDIT: What does your scientist look like?