The value of tulips during the Dutch Golden Age in the 17th century increased so much that people began using them as a currency themselves. There are records of entire homes being sold for not yet bloomed tulip bulbs.

Guglielmo Marconi ( known as Marconi),  was an Italian inventor and electrical engineer, known for his pioneering work on long-distance radio transmission, development of Marconi’s law, and a radio telegraph system.

A crescograph is a device for measuring the growth in plants. It was invented in the early 20th century by Sir Jagadish Chandra Bose.