And he was a lifelong naturalist.
Even more credit to him! Few would take a guy prancing around in his birth suit seriously, unless he had some mighty clever things to say!
Or perhaps a very large pelican? Not a very smart bird, the pelican...
Oh, sorry. Please do carry on.
PL/I -- "the fatal disease" -- belongs more to the problem set than to the solution set. -- Edsger W. Dijkstra, SIGPLAN Notices, Volume 17, Number 5