YANKEV-YITSKHOK KAPITANTSHIK (b. May 15, 1882)
He was born into a poor family in Sławięcice. At age five they moved to Brisk (Brest). He was an active leader in the Bund, using the name Yankele. He was arrested on many occasions. In 1906 he fled to Argentina. There he grew close to the anarchists and wrote for their Dos fraye vort (The free word). He later moved to London and published there in Idisher zhurnal (Jewish journal) and Idisher ekspres (Jewish express); from 1913 in Di tsayt (The times) as well. He published a one-act play entitled Slek, a bild fun arbayter leben in london (Slack, a portrait of working life in London) (London, 1922), 16 pp.
Source: Zalmen Reyzen, Leksikon, vol. 3.