1946 (April)

William Stephens presented the concept of linear Time-Of-Flight Mass Spectrometer (TOFMS) at the American Physical Society meeting in Cambridge,MA
[(1946). Phys. Rev. 69, 691; (1946). Bull. Am. Phys. Soc. 21(2), 22.]

1948 (June)

A.E. Cameron and D.F. Eggers published the first design and mass spectra for the linear TOFMS in the Laboratory and Shop Notes
[(1948). Rev. Sci. Instrum., 19(9), 605-607.]

1948 (September)

S.A. Goudsmit presented the concept of magnetic field TOFMS in a letter to the editor of the Physical Review
[(1948). Phys. Rev. 74, 622-623.]

1951 (January)

Lincoln G. Smith described the modification to Goudsmit's magnetic field TOFMS design that obviates the need for helical ion path
[(1951). Rev. Sci. Instrum., 22, 115-116.]

1951 (November)

Goudsmit et. al. published the spectra for magnetic field TOFMS and demonstrated mass measurement accuracy to the third decimal place for Xenon Isotopes
[(1951). Phys. Rev., 84(4), 824-829.]

1953 (April)

Wolff and Stephens published the design and spectra for linear TOFMS
[(1953). Rev. Sci. Instrum., 24(8), 616-617.]

1955 (April)

Katzenstein and Friedland published the design for linear TOFMS and used it to determine ionization efficiency curves
[(1955). Rev. Sci. Instrum., 26(4), 324-327.]

1955 (December)

Wiley and McLaren published the linear TOFMS design which became the first commercial instrument
[(1955). Rev. Sci. Instrum., 16(12), 1150-1157.]

1958 (September)

D.B. Harrington described the Bendix TOFMS at the 1^st International Conference on Mass Spectrometry held in London
["Advances in Mass Spectrometry, Vol. 1", J.D. Waldron, Ed., McMillan Co., New York (1959), 249-265.]