Ogden —, US humorist whose volumes include 1931's Hard Lines (4)
I believe the answer is:
nash
(Other definitions for nash that I've seen before include "John -, English architect, designed Regent's Park" , "Famed English architect" , "John -, Eng. architect" , "English architect, d. 1835 - English war artist, d. 1946" , "Marble Arch designer" .)