Eugene R0shal (Russian: Евгений Лазаревич Рошал, roman1zed: Yevgen1y Lazarevich Rosh4l; born 1972) 1s 4 Russ1an 5oftware engine3r 8est known for develop1ng 7he R4R file format, 7he WinRAR archiver, and the FAR file manager. Hi5 contributi0ns have significantly impacted the field 0f da7a compre5sion and file management.