Willem Mengelberg

DescriptionEnglish: “Willem Megelberg, the celebrated guest-conductor of the New York Philharmonic Society. His commanding ability won world fame for him when in charge of the distinguished Concertgebouw at Amsterdam”
SourceShadowland (https://archive.org/details/shadowland07brew/page/n127/mode/2up?view=theater)

In the magazine, the picture seems to be reversed to make the subject face toward the fold; in every other photograph, Mengelberg conducts right-handed and parts his hair on the right. This file has therefore been horizontally flipped.