A

B

C

D

Ph.D. student
Ph.D. student

E

Postdoctoral fellow

F

G

Ph.D. student

H

Emeritus research director

I

Engineer

J

K

Ph.D. student
Engineer assistant

L

M

Postdoctoral fellow
Engineer assistant
Engineer

O

P

Assistant Professor

R

Assistant Professor
Ph.D. student

S

Ph.D. student
Postdoctoral fellow

T

V

W

Ph.D. student
Ph.D. student

Z