newyorkathleticclub

He is Frank A. Mullen. Not much else known so far. query.nytimes.com/gst/abstract.html?res=9E00E3D91531E233A...

Richard Arthur Norton, Thanks for the info on Mullen's full name. and Wystan, Thank you for the date information! We will add both these details to the record when we update.

At age 32, Frank Aloysius Mullen represented the USA at the 1920 Olympics in Antwerp. Mullen was born August 9, 1887 and died September 27, 1945. In this image, Mullen is diving from the platform of the New York Athletic Club summer home, Travers Island, Pelham Manor, New York. Here is a link to an early postcard showing the same diving platform. The NYAC was founded in 1868 and still operates today. NYAC Travers Island Web page.

en.wikipedia.org/wiki/Travers_Island,_New_York

Platt Adams (1885-1961) was an athlete from the New York Athletic Club. [1]  He was the USA Track & Field Champion in the standing long jump four times from 1908-1916. [2] He competed for the United States in the Olympic Games in 1908 and 1912. At the 1912 Summer Olympic Games in Stockholm, he won the Gold Medal for the high jump at 5'4 1/4", and the Silver Medal for the long jump at 11' 1/2". [3] In 1910, Platt Adams was featured on a Hassan Cigarettes Champions Card. There are other LOC photos of Platt Adams on Flickr using this tag.

Thanks so much, Pixel Wrangler, for clarifying the name and filling in the useful biographical information. We'll fill in the name and date (thanks Wystan) for this image next time we update the record.

N.Y.A.C. is the New York Athletic Club.
The winged foot on the flag they are carrying is their logo:

see also

Art Siegel: Thanks. We'll include the more complete info. next time we update.