Which of the following scientists is credited with the development of the first successful polio vaccine? [#1300]

Jonas Salk developed the inactivated poliovirus vaccine (IPV) in 1955, which was the first effective vaccine against polio. Salk's vaccine led to a significant reduction in polio cases and paved the way for global efforts to eradicate the disease.

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Jonas Salk developed the inactivated poliovirus vaccine (IPV) in 1955, which was the first effective vaccine against polio. Salk's vaccine led to a significant reduction in polio cases and paved the way for global efforts to eradicate the disease.

Isaac Newton is widely credited with the discovery of gravity and formulated the laws of motion that bear his name.

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Isaac Newton is widely credited with the discovery of gravity and formulated the laws of motion that bear his name.

On the day of 02 July 1972, Shimla Agreement was signed between the premiers of India (Indira Gandhi) and Pakistan (Zulfiqar Ali Bhutto) at Shimla in Himachal Pradesh. Shimla Agreement is also known as Shimla Accord.

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On the day of 02 July 1972, Shimla Agreement was signed between the premiers of India (Indira Gandhi) and Pakistan (Zulfiqar Ali Bhutto) at Shimla in Himachal Pradesh. Shimla Agreement is also known as Shimla Accord.

Ambikagiri Raichoudhury, affectionately called the "Lion of Assam", was a prominent Assamese freedom fighter and poet who played a significant role in the Indian independence movement, particularly in the Quit India Movement. He was a powerful orator and a key figure in mobilizing support for the movement in Assam.

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Ambikagiri Raichoudhury, affectionately called the "Lion of Assam", was a prominent Assamese freedom fighter and poet who played a significant role in the Indian independence movement, particularly in the Quit India Movement. He was a powerful orator and a key figure in mobilizing support for the movement in Assam.

Indonesia is the world's largest island country by area (1,904,569 sq km), and by total number of islands (17,504 islands). It is also the world's most populous island country, with a population of over 270 million (the fourth most populous country in the world, after India, China, and the United States).

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Indonesia is the world's largest island country by area (1,904,569 sq km), and by total number of islands (17,504 islands). It is also the world's most populous island country, with a population of over 270 million (the fourth most populous country in the world, after India, China, and the United States).

The Varman dynasty ruled the ancient kingdom of Kamarupa in the Brahmaputra Valley from the 4th to the 7th century CE. During their reign, they built several temples, monuments, and cities, and developed a distinct culture that blended Indian and Southeast Asian influences.

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The Varman dynasty ruled the ancient kingdom of Kamarupa in the Brahmaputra Valley from the 4th to the 7th century CE. During their reign, they built several temples, monuments, and cities, and developed a distinct culture that blended Indian and Southeast Asian influences.

Chandragupta Maurya was the founder of the Mauryan Empire in ancient India, who ruled from 322 to 298 BCE. He was a key figure in Indian history, known for his military conquests and administrative reforms.

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Chandragupta Maurya was the founder of the Mauryan Empire in ancient India, who ruled from 322 to 298 BCE. He was a key figure in Indian history, known for his military conquests and administrative reforms.

Sucheta Kripalani was an Indian freedom fighter and politician. She was India's first female Chief Minister, serving as the head of the Uttar Pradesh government from 1963 to 1967.

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Sucheta Kripalani was an Indian freedom fighter and politician. She was India's first female Chief Minister, serving as the head of the Uttar Pradesh government from 1963 to 1967.

A constant is a mathematical concept that represents a value that remains unchanged, like pi (π), which is approximately 3.14 and never changes.

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A constant is a mathematical concept that represents a value that remains unchanged, like pi (π), which is approximately 3.14 and never changes.

The Kyaiktiyo Pagoda, also known as the Golden Rock, is located in Myanmar's Mon State, at the top of Mount Kyaiktiyo, about 124 miles (200 kilometers) from Yangon. The pagoda is a small structure (24 ft) built on a granite boulder covered in gold leaves that were attached by male worshippers. It's a significant pilgrimage site for Buddhists and is considered one of the world's most important for the religion.

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The Kyaiktiyo Pagoda, also known as the Golden Rock, is located in Myanmar's Mon State, at the top of Mount Kyaiktiyo, about 124 miles (200 kilometers) from Yangon. The pagoda is a small structure (24 ft) built on a granite boulder covered in gold leaves that were attached by male worshippers. It's a significant pilgrimage site for Buddhists and is considered one of the world's most important for the religion.

Rajasthan is the largest producer of asbestos in India. Two states of Rajasthan and Andhra Pradesh produce almost the whole of asbestos of India.

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Rajasthan is the largest producer of asbestos in India. Two states of Rajasthan and Andhra Pradesh produce almost the whole of asbestos of India.