The reaction e(+)e(-) --> e(+)e(-)gammagamma* --> e(+)e(-)K(S)(0)K(S)
(0) is studied with the L3 detector at LEP and the formation of the f(
2)'(1525) resonance is observed, For an integrated luminosity of 114 p
b(-1), 31+/-6 f(2)' events are found, Their angular distribution is co
nsistent with a pure helicity two, The radiative width times the branc
hing ratio is measured to be Gamma(gamma gamma)(f(2)')xBr(f(2)'--> K (
K) over bar)=(0.093+/-0.018+/-0.022) keV. Only three events are found
in the f(2)(1270)-a(2)(1320) mass region, consistent with destructive
f(2)-a(2) interference in the (KSKS0)-K-0 final state. The mixing angl
e of the tensor meson nonet is determined to be theta=(29.4(-1.6)(+1.4
))(0).