In order of correct answers.

mcosman wrote:

Is that Paul Lamar?

Hans Conser wrote:

Paul Lamar

        Paul on the right, Virg

"Harley, Ageless Wings" wrote:

A real wild guess...but, black and white picture...before color film was
invented?

1946 Volkswagon test bed for an airfoil (or is it older than that)?

The prize is a subscription to the ACRE newsletter...Hidden clue?

He might have not had a beard or white hair then, is it our own Paul Lamar?

Harley

Good guesses guys.

That is a 25 year old Paul Lamar!  -- or so   ;-)

Now come on, Harley!   Paul isn't THAT old!  That is a '69 Bug and Paul was
hired by Bill Fisher to help him decide why VW Bugs had a real problem
with crosswinds.  The three theories were 1) rear engined cars just do
that  2) the swing axle causes it  3) the curved shape of the body does it.
Actually, 1) was more like "Having the aerodynamic center ahead of the
CG causes it", so the plan was to move the aerodynamic center WAY
aft by adding this rudder and then run the bug past a set of Hollywood
rented wind machines (seen in the background).   A confusion factor, the
'69 didn't have swing axles anymore.   The work was published in 1970,
back when I was really into VWs,  "How to Hotrod Volkswagen Engines"
by Bill Fisher.  Pretty well done book, and a well instrumented set of
tests.

I'll let Paul take it from there.

Bill

In effect the geometry was the same Bill. The lateral instant center of the 
diagonal trailing arm suspension was about the center line of the opposite
tire. What was worse was the deflection over steer. It has only been recently
that  Porsche, BMW  and Mercedes  have addressed these issues.

Paul Lamar
 
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