Significant Events on October 18

Philipp Franz von Siebold (1866)

On this day in 1866, German physician and botanist Philipp Franz von Siebold passed away. He is renowned for his extensive research on Japanese flora and fauna and played a pivotal role in introducing Western medicine to Japan.

Alfred Binet (1911)

French psychologist Alfred Binet also died on October 18, 1911. He is best known for creating the first practical intelligence test, known as the Binet-Simon scale, which laid the groundwork for modern intelligence testing.

Mark Welland (1955)

In a notable birth on October 18, 1955, Mark Welland, a professor of nanotechnology at the University of Cambridge, was born. He contributed to the development of one of the earliest scanning tunneling microscopes, which has significantly advanced the field of nanotechnology.