Aharon N. Varady (digital imaging and document preparation)

Aharon Varady, founding director of the Open Siddur Project, is a copyright researcher and amateur book scanner. He prepares digital images and new digital editions of prayer books and related works in the Public Domain in order to make their constituent parts (prayers, translations, annotations, etc.) publicly accessible for collaborative transcription by project volunteers. (In some cases, he finds existing digital editions prepared by others that require correction and reformatting.) If you appreciate his efforts, please send him a kind note or contribute to his patreon account.

Paltiel Birnbaum (translation)

Paltiel Philip Birnbaum​ (1904–1988) was an American religious author and translator, best known for his translation and annotation of the prayerbook Ha-Siddur Ha-Shalem ([Complete] Daily Prayer Book), first published in 1949, and widely used in Orthodox and Conservative synagogues until the late 1980s. Birnbaum was born in Kielce, Poland and emigrated to the United States in 1923. He attended Howard College and received his Ph.D. from Dropsie College. He served for several years as the principal of a Jewish day school in Wilmington, Delaware, and directed Jewish schools in Birmingham, Alabama, and Camden, New Jersey. He was a regular columnist and book reviewer for the Hebrew-language weekly, Hadoar. He also served on the board of directors of the Histadrut Ivrit b'America, an American association for the promotion of Hebrew language and culture.

Hebrew Publishing Company

The Hebrew Publishing Company was founded in 1900 by Joseph Werbelowsky (1884-1919). Occupying a former bank building on Delancey Street in Manhattan’s Lower East Side until the mid 1970s, the company remained owned by the Werbelowsky family (later shortened to Werbel) until 1980 when it was sold to Charles Lieber (1921-2016). During its first eighty years, the publishing house grew to become one of the most prominent publishing houses for Jewish books and sheet music.