This is a photo of a stone dedicated to William Jay Gaynor, he was a politician from New York City which lived in the 19th and early 20th century. This stone is located in a park between the Brooklyn Bridge and the Eastern Federal Court. He was born in upstate New York and grew up on a farm. It is known that he loved exploring nature. Gaynor was linked with Tammany Hall political machine. He served as the 94th mayor of New York city from 1910 to 1913. Prior, he served as a New York Supreme Court Justice from 1893 to 1909. In 1910 he was shot by a former city employee, Gaynor was the only mayor actually his by a bullet during an assassination attempt.
Gaynor was viewed as a good candidate from Governor or even President but after his term was up he refused to run again.
Gaynor was not killed during his assassination attempt, he recovered quickly and took a voyage to Europe and died aboard RMS Baltic from a heart attack, no connection to the shooting.