Eduard Lang appears to be a less well-documented figure in the realm of art history, and as such, comprehensive details about his birth, death, and biography are not readily available in widely recognized art historical references or databases. The name Eduard Lang might refer to a lesser-known artist, or possibly, there might be variations in the spelling or regional differences that could affect the retrieval of accurate information. Without more specific details, such as the period during which he was active, the country or region associated with his work, or the particular medium or style in which he specialized, providing a detailed biography is challenging. Art history encompasses a vast array of artists from different epochs and regions, including many who might not have received widespread recognition or whose records have not been thoroughly documented in mainstream art historical discourse. If Eduard Lang was an artist with a modest body of work or someone who worked in a specific local context, it's possible that detailed records about his life and work are sparse or primarily available in specialized archives or regional historical resources. For artists with limited documentation, further research often requires access to specialized databases, local historical societies, or specific art collections that might hold more information about their work and lives.