Explanation

• Christopher Latham Sholes invented the modern typewriter (patent 1868).
• Made the QWERTY keyboard (1873).
• First mass-produced: Remington No. 1 (1873).

Explanation

• Full Name: Vinton Gray Cerf
• Known as: Father of Internet
• Born: 23 June 1943
• Major Contribution: TCP/IP protocol development
• Award: National Medal of Technology (1997)

Last verified on 20-06-2026

Explanation

• Christopher Columbus was born in Genoa, Italy.
• He accidentally reached the Americas in 1492.
• He was searching for a sea route to Asia.
• First "discovered" the Americas on October 12, 1492
• Completed four Spanish-based voyages across the Atlantic Ocean

Explanation

• Neil Armstrong was the first human to set foot on the Moon on July 20, 1969, during NASA's Apollo 11 mission.
• His famous words upon landing were, "That's one small step for man, one giant leap for mankind."

Additional information:

• Neil Alden Armstrong was died on August 25, 2012.
• He was born on August 5, 1930.

Last verified on 01-04-2026

Explanation

• The printing press with movable type was invented by Johannes Gutenberg.
• When: Around 1440-1450.
• Where: Mainz, Germany.

Last verified on 13-07-2026

Explanation

John McCarthy is recognized as the father of Artificial Intelligence due to his astounding contribution in the field of Computer Science.

John McCarthy was an American computer scientist

Note: Artificial Intelligence is a branch of Computer science, which aims to create intelligent machines so that machine can think intelligently in the same manner as a human does.

Explanation

• Karl Landsteiner discovered the ABO Blood Group System in 1900.
• He was an Austrian scientist and physician.
• His discovery made safe blood transfusions possible.
• He received the Nobel Prize in Physiology or Medicine in 1930 for his work.

Last verified on 01-07-2026

Explanation

• William Harvey discovered the circulation of blood in 1628.
• He was the first physician to completely describe systemic blood circulation.
• Famous book: De Motu Cordis (On the Motion of the Heart and Blood) (1628)
• He is known as the Father of Circulation of Blood.

Additional information:

• Birth: 1578
• Death: 1657

Last verified on 23-06-2026

Explanation

• Father of PC: Edward Roberts
• First PC: Altair 8800
• Year: 1975
• Country: USA
• Impact: Start of personal computing era

Last verified on 21-06-2026

Explanation

• Inventor: Igor Sikorsky
• First successful model: VS-300
• First flight: 1939 (USA)
• Contribution: Practical helicopter design
• Field: Aviation engineering

Last verified on 21-06-2026