Did he come into contact with 2-butoxyethanol?

I suspect so. At any rate someone who knows his life well, might be able to 'shed some light on this topic'

Lou Gehrig's Disease is one of the 'for sure' ailments of the 'Gulf War Syndrome' vet. I suspect they were harmed by 2-butoxyethanol or diethylene glycol monobutyl ether. A couple of the solvents/pesticides that they WERE exposed to valdezlink.com/same.htm

I also suspect the same harm to Pres FDR - Very obvious signs of 2-butoxyethanol poisoning in his last days valdezlink.com/pages/ournationhealth.htm#does who died April, 1945