Eithan Urbach was born in 1977.
Ephraim Urbach was born in 1912.
Peter Urbach was born in 1940.
Stephan Urbach was born on 1980-09-28.
Ephraim Urbach died in 1991.
Peter Urbach died in 2011.
Yea
Linda Urbach has written: 'Madame Bovary's daughter' -- subject(s): Fiction, Young women, Fashion, History
Wolfgang Urbach has written: 'Experimente zur Stoffwechselphysiologie der Pflanzen' -- subject(s): Experiments, Metabolism, Plants
Urbach's rule states that in a solid material, the absorption coefficient of light increases exponentially with photon energy in the so-called Urbach tail of the absorption spectrum. This rule is commonly used to describe the behavior of localized states in disordered materials and semiconductors.
Carl Urbach has written: 'Stufenphotometrische Absorptionsbestimmungen in der medizinischen Chemie' -- subject(s): Biochemistry, Photometry, Light absorption
A. R Urbach has written: 'Thermal and cryogenic study for the Space Infrared Telescope Facility (SIRTF)' -- subject(s): Astronomical observatories, Telescopes
I guess you could spell it Ethan, which is the usual way, or Ethen, or Eithan.