Materials used for cooled infrared detection include photodetectors based on a wide range of narrow gap semiconductors including: 1  indium antimonide (3-5 Î¼m) 2  indium arsenide. 3  mercury cadmium telluride (MCT) (1-2 Î¼m, 3-5 Î¼m, 8-12 Î¼m) 4  lead sulfide. 5  lead selenide.
The first half, which I did not like, focuses upon Benjamin Franklin's early years - his amorous relationships first with his later to be wife (Deborah) and then the mother (Anne) of his first child (William), who was born out of wedlock. The actual name of the woman who was the mother of his son William is not known.
Did Benjamin Franklin have children? Benjamin Franklin had three children. William, born around 1730, was his illegitimate son with an unknown woman. He was raised by Ben and his wife, Deborah. He remained loyal to the British crown and became royal governor of New Jersey. Ben's second son, Francis, was born in 1732. He died of smallpox at age four.