Nikolai Borisovich Delone
Delone was born in Leningrad on 22 May 1922. He was the son of Boris Delone, a mathematician. He graduated from the Moscow Engineering Physics Institute in 1951, and obtained his Ph.D at the Lebedev Physical Institute in the late 1950s.
Delone is recognized for the first observations of multiphoton ionization, in 1965. Delone, along with Maxim Ammosov and Vladimir P. Krainov, developed the ADK formula, relating tunneling ionization in laser fields. He was also a lecturer at the Moscow Institute of Physics and Technology. After the dissolution of the Soviet Union, he travelled abroad and worked on international collaborations on multiphoton physics.
- Vladimir P. Krainov; Gérard Mainfray; See Leang Chin; Joseph H. Eberly; Pierre Agostini; Mikhail V. Federov (2009). "Obituaries: Nikolai Borisovich Delone". Physics Today. 62 (5): 67. Bibcode:2009PhT....62e..67K. doi:10.1063/1.3141949.
G.S. Voronov; G.A. Delone; N.B. Delone & O.V. Kudrevatova (1965). "Multiphoton Ionization of the Hydrogen Molecule in the Strong Electric Field of Ruby Laser Emission". Zh. Eksperim. i Teor. Fiz. Pis'ma v Redaktsiyu (in Russian). 2: 377. Bibcode:1965ZhPmR...2..377V.