There are several renowned data architects who have made significant contributions to the field. Here are some of the well-known data architects:

1. Bill Inmon: Known as the "Father of Data Warehousing," Bill Inmon is a pioneer in the field of data architecture. He developed the concept of the data warehouse and introduced the idea of organizing data into a centralized repository for effective reporting and analysis.
2. Ralph Kimball: Another prominent figure in data architecture, Ralph Kimball is known for his work on dimensional modeling and the development of the Kimball methodology. He advocated for a dimensional approach to data warehousing, emphasizing the importance of designing data models that align with business requirements.
3. Dan Linstedt: Dan Linstedt is the creator of the Data Vault methodology, which is a data modeling approach specifically designed for building scalable and agile data warehousing solutions. The Data Vault methodology focuses on capturing historical data in a flexible, auditable, and scalable manner.
4. Claudia Imhoff: Claudia Imhoff is a well-known data management and business intelligence expert. She has made significant contributions to the field of data architecture through her research, consulting, and writing. Imhoff emphasizes the importance of aligning data architecture with business goals and ensuring that data is treated as a valuable corporate asset.
5. Malcolm Chisholm: Malcolm Chisholm is an expert in data governance and has contributed extensively to the field of data architecture. He has written several books on data governance and provides practical guidance on designing and implementing effective data architectures that support data quality, privacy, and compliance.

These are just a few examples of famous data architects who have made significant contributions to the field. There are many other talented professionals who have shaped the landscape of data architecture through their expertise and thought leadership.