Final answer:
The provided references do not name the famous pastry chef of the 1960s and 70s who revitalized French pastry making; Gaston Lenôtre is a possible figure, but cannot be confirmed with the current information.
Step-by-step explanation:
The pastry chef of the 1960s and 70s who is credited with revitalizing French pastry making is not explicitly named in the provided references. These resources do not contain information about a specific pastry chef from this era. It's possible that the figure in question is Gaston Lenôtre, known for his contributions to modernizing pastry techniques and presentation, but without more context or references, this cannot be confirmed within the resources provided.