Dealing decisively with the ‘who’ vs. ‘whom’ conundrum

A reader, Edsel Ocson, e-mailed me this note recently about the often pesky choice between the relative pronouns “who” and “whom.”

“I read recently in one of the Manila broadsheets the following sentence: ‘I remember a memorable experience, in the 1970s, with my paternal grandmother, a feisty devout Buddhist living in Davao WHO I FREQUENTLY VISITED.’ (capitalization mine)