"Lists of mathematicians by field" is a categorization of mathematicians based on the specific branches or areas of mathematics in which they have made significant contributions. These lists can help researchers, students, and enthusiasts understand who has contributed to different areas of mathematics and can guide further reading or study. Some common fields in mathematics that might be used to categorize mathematicians include: 1. **Algebra** - Mathematicians famous for contributions to algebraic structures, equations, and abstract algebra.

As of my last knowledge update in October 2021, there is no widely recognized entity or concept known specifically as "Munishvara." It may refer to a name, a specific cultural or religious reference, or something more niche that hasn't gained broad attention.

Prithudaka is a term that can be associated with different contexts, but it primarily refers to a type of water used in Hindu rituals, particularly in the context of purification and ceremonies. In Hindu religious practices, water is often categorized into different types based on its source and qualities, and Prithudaka is generally considered to be sacred water that is suitable for ritual purposes.

Tirukkannapuram Vijayaraghavan is a significant figure in Indian classical music, known particularly for his contributions to the Carnatic music tradition. He hails from the village of Tirukkannapuram in Tamil Nadu, which is known for its rich cultural heritage. Vijayaraghavan is celebrated for his vocal skills and deep knowledge of the intricacies of Carnatic music, including ragas and talas.