Alexandr Hackenschmied, born Alexander Siegfried George Hackenschmied, known later as Alexander Hammid was a Czech-American photographer, film director, cinematographer and film editor. He immigrated to the U.S. in 1938 and became involved in American avant-garde cinema. He is best known for three films: Crisis (1939), Meshes of the Afternoon (1943) and To Be Alive! (1964). He made Meshes of the Afternoon with Maya Deren, to whom he was married from 1942 to 1947. His second marriage was to the photographer Hella Heyman, who had also collaborated with Hammid and Deren on several films.

Linz is the capital of Upper Austria and third-largest city in Austria. Sitting on the river Danube, the city is located in the far north of Austria, 30 km (19 mi) south of the border with the Czech Republic. As of 1. January 2024, the city has a population of 212.538 and is the 7th largest of all cities on the Danube river.