Professor C.D. Mote, Jr.                            February 27, 1990
Chairman, Dept. of Mechanical Engineering
University of California
Berkeley, CA 94720

Dear Professor Mote:

I am responding to your letter of February 7, 1990 regarding Dr. 
Daniel Koditschek's application for your advertised position in the 
area of controls.

I have know Dr. Koditschek for several years in connection with our 
mutual interest in the computer control of multi-degree-of-freedom 
mechanical systems.  I have heard him lecture at several conferences 
and at two invited seminars at Stanford.  In addition I have read 
several of his papers.  I believe I have a fairly good understanding 
of his abilities and general stature as a researcher.

Koditschek is widely know and respected for his work in the control of 

nonlinear robotic system.  He is obviously very bright, and has done 
outstanding work. I would rate him as one of the smartest in his peer 
group, and I expect him to continue to grow and be a productive 
researcher. 

He is a good lecturer and has an outgoing personality.  I would expect 
he is an excellent and popular teacher.  I would also expect that he 
would take a strong role in departmental and professional activities.

From everything I know about him, I recommend that you give his 
application serious attention.

Sincerely,

Bernard Roth
Professor
Dept. of Mech. Eng.
Stanford University
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