Theodore Roosevelt: A Detailed Biography

Theodore “Teddy” Roosevelt Jr. (1858–1919) was the 26th President of the United States (1901–1909). Youngest president at age 42, Rough Rider, trust buster, conservationist, and Nobel Peace Prize winner, he transformed the presidency into a “bully pulpit”. This biography covers his asthmatic childhood, Rough Rider charge, progressive reforms, Big Stick diplomacy, and sudden death, as documented by the Theodore Roosevelt Center, the National Park Service – Theodore Roosevelt Birthplace, and the Encyclopaedia Britannica.

Early Life in New York

Asthmatic “Teedie”

Born on October 27, 1858, in a brownstone on East 20th Street, Manhattan, Theodore was a sickly child with debilitating asthma. His father told him: “You have the mind, but not the body… You must make your body.” TR began boxing and the “strenuous life”, as detailed by the NPS.

Harvard and Tragedy

Graduated Harvard magna cum laude in 1880. In 1884, one day after giving birth to daughter Alice, his wife Alice Lee died of kidney failure; his mother Mittie died of typhoid the same day. Devastated, he fled to the Dakota Badlands, as documented by the History.com.

Rough Riders and Spanish-American War

As Assistant Secretary of the Navy, TR resigned to form the 1st U.S. Volunteer Cavalry — the “Rough Riders”. Their charge up Kettle Hill (often misremembered as San Juan) on July 1, 1898, made him a national hero, as preserved by the San Juan Hill NPS.

Unexpected President (1901)

Elected Vice President in 1900, TR became president at age 42 when McKinley was assassinated in September 1901 — the youngest ever.

Square Deal and Trust Busting

TR’s “Square Deal” promised fair play for workers, consumers, and businesses. He busted 44 trusts (including Northern Securities), regulated railroads (Hepburn Act), and passed the Pure Food and Drug Act and Meat Inspection Act, as documented by the Library of Congress.

Conservation and National Parks

TR created 150 national forests, 51 bird reserves, 5 national parks, and 18 national monuments — preserving 230 million acres. He said: “Leave it as it is… The ages have been at work on it, and man can only mar it.”

Big Stick Diplomacy and Panama Canal

“Speak softly and carry a big stick.” TR mediated the Russo-Japanese War (Nobel Peace Prize 1906) and engineered Panama’s independence to build the canal (opened 1914).

Personal Life

Married childhood sweetheart Alice Lee (1880–1884, died) and Edith Carow (1886–1919); six children. Famous for boxing in the White House and reading a book a day.

Death and Legacy

Theodore Roosevelt’s Enduring Impact

TR died of a pulmonary embolism on January 6, 1919, at Sagamore Hill, aged 60. His face is on Mount Rushmore. The “Teddy Bear” is named after him (he spared a bear cub on a hunt). He expanded presidential power, created the modern conservation movement, and made America a world power, as celebrated by the Smithsonian Magazine.

Frequently Asked Questions About Theodore Roosevelt

Why Is Theodore Roosevelt Famous?

Rough Riders, trust buster, conservationist, youngest president, Nobel Peace Prize.

Did Teddy Roosevelt Have Asthma?

Yes — severe childhood asthma; overcame through exercise.

Where Was Theodore Roosevelt Born?

New York City, October 27, 1858.

What Were the Rough Riders?

Volunteer cavalry TR led in the Spanish-American War.

What Was the Square Deal?

TR’s program: conservation, consumer protection, corporate regulation.

Did Teddy Roosevelt Win a Nobel Prize?

Yes — Nobel Peace Prize 1906 for Russo-Japanese War mediation.

How Did Theodore Roosevelt Die?

Pulmonary embolism on January 6, 1919, aged 60.