Who is That Masked Uker?

None other than the Ukulele Lady herself, May Singhi Breen.

During World War II, May served as the national director of Air Raid Precautions (ARP) for the American Women's Voluntary Services.

Here, from Popular Science magazine in 1942, is May wearing an emergency gas mask she fashioned out of a rubber bathing cap, fly swatters, and a powder puff box. (There's more to it, but those are the novel parts.) 

View the full article at this link. 

h/t Steve Nelson

Here's another image of May, in uniform, crafting the mask.

Remember: Wear your mask, and live to strum another day! Stay safe, friends.