1852
The first screened photosensitive metal plate was the heliograph, invented by Joseph Nicéphore Niépce in 1826. This process used bitumen of Judea on a metal plate that hardened when exposed to light, creating the first permanent photograph.
photosensitive alloy containing silicon
Russia.
Gutenburg first invented printing that used separate metal letters.
Silver chloride, bromide or iodide (photosensitive compounds)
No one invented metal. Metals are naturally occurring elements in the earths crust (and core)
William Jenney
It was first invented in 13th century CE when Iron and Charcoal were blended correctly.
Sodium is not typically referred to as a photosensitive metal. However, it can exhibit photoelectric effects when exposed to light due to its low work function. This property is utilized in various applications, such as in photocells and photoelectric sensors.
Pretty much Black Sabbath invented Metal. Which first song, I don't exactly know.
Reaper Maybe the metal plow
duby the 3rd