Lynn was an innovator in sound technology, frequently commissioned original music, and he used popular radio and opera stars Boris Thomashefsky, Esther Field, and Seymour Rexite, as well as New York stage actors like Celia Adler.

During WWII Lynn created a business to manufacture plastic products for the war effort,[1] and he was a news commentator on radio station, WEVD.

The first two: The Intolerance of 1933 (1933), and The Youth of Russia (1934), are documentaries and contain rare footage of historical events, e.g., labor union marches in New York City in the early 1930s.

[2][3][4] Lynn was an innovator, implementing Joseph Seiden's new sound technology in The Unfortunate Bride, his 1932 remake of silent film, Broken Hearts (1926).

[5] Lynn included Hebrew dubbing in Shir Hashirim by Tel Aviv exhibitor Ya'acov Davidon and produced some short films for theatrical shows.

Jack Stillman was the musical director of most of Lynn's films, several of which had excellent original compositions by Joseph Rumshinsky, Art Shryer, Ludwig Satz, and William Mercur.

DVD and VHS copies of Mothers of Today, Where is my Child and Bar Mitzvah are available from TCM, Brandeis, Ergo, and Israel-Store.