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Ludwig Zehnder
Ludwig
Louis Albert
Zehnder
was a
Swiss
physicist
, the
inventor
of an
interferometer
.
Zehnder was a
student
of
Wilhelm Röntgen
,
professor
of
physics
at the
universities
of
Freiburg
and
Basle
. He
produced
the first
pictures
of
the human skeleton
by
shining
x-rays
through
the human body
.
