Vikram Ambalal Sarabhai (1919-1971) is often referred to as the father of Indian Computer Science. He was a visionary scientist and engineer who played a pivotal role in establishing the Indian Space Research Organization (ISRO) and the Atomic Energy Commission of India (AECI).

Bangalore, also known as Bengaluru, is often referred to as the "Silicon Valley of India" due to its large concentration of high-tech industries, including software companies, research institutions, and startups.

IIT Kharagpur was the first Indian Institute of Technology to be established, in 1951. It is located in Kharagpur, West Bengal, and is one of the most prestigious engineering institutions in India.

Raj Reddy, an Indian computer scientist and Turing Award winner, developed the concept of the "backtracking algorithm" in the 1960s. This algorithm is widely used in computer science for solving combinatorial problems.

Pranav Mistry is an Indian computer scientist and inventor who is known for his work on artificial intelligence (AI) and natural language processing (NLP). He is also the inventor of the SixthSense device, which allows users to interact with digital information using hand gestures.

HCL Technologies, an Indian multinational IT company, developed the world's first indigenous supercomputer, called "PARAM Shavak," in 1991.

Narendra Karmarkar, an Indian computer scientist and mathematician, is known for his work on cryptography and cryptanalysis. He is also known for developing the Karmarkar's algorithm for linear programming.

Vijay Bhatkar, an Indian computer scientist and engineer, is known for his work on computer architecture and parallel computing. He is also known for developing the PARAM series of supercomputers.

Amitabh Bachchan, an Indian actor and film producer, is known for his work on computer graphics and visualization. He is also known for his role in the film "The Last Airbender," which used extensive computer-generated imagery (CGI).

Vinton Cerf, an American computer scientist, is known for his work on computer networking and the Internet. He is also known as one of the "fathers of the Internet" for his role in developing the Transmission Control Protocol (TCP) and the Internet Protocol (IP).

Kent Beck, an American computer scientist, is known for his work on software engineering and agile development. He is also known for his role in developing the Extreme Programming (XP) methodology.

Michael Stonebraker, an American computer scientist, is known for his work on database systems and query optimization. He is also known for his role in developing the Ingres database management system.

Andrew S. Tanenbaum, a Dutch computer scientist, is known for his work on operating systems and distributed systems. He is also known for his book "Operating Systems: Design and Implementation," which is widely used as a textbook in computer science courses.

John Hennessy, an American computer scientist, is known for his work on computer architecture and microprocessors. He is also known for his role in developing the MIPS (Microprocessor without Interlocked Pipeline Stages) architecture.

Judea Pearl, an American computer scientist, is known for his work on artificial intelligence and machine learning. He is also known for his development of the Bayesian network model and the Judea Pearl's algorithm.