I found this in "The Guardian." (UK)

Disregarding the metaphysical aspects of Schrodinger's cats, (Letters,
April 28) I must protest at the use of (possibly live) animals for
experiments such as these. I urge readers to boycott whatever product
this research is leading to.

Roger Bisby, Reigate, Surrey.

[Note - originally appeared in RHF during second quarter of 1990 - ed]