Relis Brown, PHD in Philosophy, 1938. Only published paper on Google scholar I could find from his was his thesis. Not much of a scholar.
John W. Klotz, in his work Genes, Genesis and Evolution Published 1955...
Eugene Guye: 1866-1942. Did most of his work around the turn of the century.... or a 100 years ago.
Theodore Schwarze, nice quote from an apologetics book from 1942.
I could go through your entire list like this, and as usual, the young flat earthers can't give any modern evidence from a reputable scientist to support their views. You did however, do better one creationist I debated, he couldn't come up with an sources after 1912.
You didn't use logic or reason to get into this opinion, I cannot use logic or reason to get you out of it.
You cannot over estimate the unimportance of nearly everything. John Maxwell