Theodore Roosevelt was the 26th President of the United States, serving from 1901 to 1909. He was known for his progressive policies and his efforts to conserve natural resources and protect the environment. Roosevelt was also a strong advocate for social and economic reforms, and he played a key role in expanding the power and influence of the presidency. He was a charismatic and energetic leader who was deeply involved in foreign policy, including negotiating the end of the Russo-Japanese War and advocating for the construction of the Panama Canal. Additionally, Roosevelt was a prolific writer and a passionate advocate for physical fitness and outdoor activities. He is often remembered as a larger-than-life figure who left a lasting impact on American politics and society.