Ernst Neufert (1902-1982) was a German architect and professor who made significant contributions to architectural education. He is well-known for his detailed drawings and designs that served as a reference for architects and students worldwide. His approach emphasized the importance of proportion, functionality, and aesthetic appeal in building design.

The book you're likely referring to is "Neufert's Architects' Handbook of Professional Data," commonly known simply as "Neufert." This comprehensive reference book provides architects, builders, and designers with a vast amount of information on designing buildings, including dimensions, spatial requirements, and planning data for various types of structures and their components.

It eliminates the need for architects to laboriously gather data from multiple sources, offering a "standardized" starting point for creative work. Accessing the Material