#1Oliver Dimon Kellogg
1878–1932American mathematician
Each edition grades its towns against each other only.
The American mathematician Oliver Dimon Kellogg was born in 1878. Their birth falls in the age of mills and railroads. 7 languages have an article about them. Next door, Marcus Hook lists 5, led by Mickey Vernon.

#1American mathematician
Pick one and say why. Your answer becomes a post in Town Square.
Be the first to say who Linwood’s most famous person is.
The fullest list close by belongs to Marcus Hook, with 5.
From Wikidata and Wikipedia: people whose birthplace is Linwood and whose English Wikipedia article agrees, ranked by how many Wikipedia languages cover each person. People known mainly for crimes, and adult performers, aren’t listed. “The usual town” = everyone born in the towns gathered so far.