He claims that in his bio that I linked to at the end of the OP
I did scan the 23 page (13,431 word) ‘biography’ before I posted. Since it is somewhat chronological, I looked in the approximate area I thought it’d be mentioned. I also did a few word searches … all to no avail.
It is a tough read. The chest-pumping is enough to make Lloyd Evans appear humble and meek. Yikes!