Magazine covers
Madame Curie [1867 - 1934]
Number 44 - March, 1944
Sir Joseph John Thomson [1856 - 1940]
​Number 45 - June, 1944
Vannevar Bush [1890 - 1974]
Number 49 - June, 1945 This portrait later appeared on the cover of Atlantic Magazine in 1955.
One war made him the most powerful man in science; the war that followed took that power away.
Further reading: 
https://www.sciencehistory.org/distillations/the-rise-and-fall-of-vannevar-bush
Theobald Smith [1859 - 1934]
Number 50 - December, 1945.
Gregor Johann Mendel [1822 - 1894]
Number 52 - Summer, 1946
Charles Proteus Steinmetz [1865 - 1923]
Number 54 - Winter, 1946
Louis Pasteur [1822 - 1895]
Number 55 - Spring, 1947
Doctor Thomas Midgley Jr. [1889 - 1944]
Number 57 - Autumn, 1947
Pierre Lecomte du Noüy [1883 - 1947]
Number 60 - Summer, 1948
Dr. Albert Sauveur [1863 - 1939]
Number 63 - Spring, 1949
Eugene Lindsay Bishop [1886 - 1951]
Number 74, Winter, 1951
Eugene Gardner [1913 - 1950]
Number 75 - 1952
Frederick Gardner Cottrell [1877 - 1948]
Number 76 - 1952
John Hays Hammond [1855 - 1936]
Number 79 - 1954
Carl S. Hornberger [ ] 
Number 85 - 1958
John von Neumann [1903 - 1957]
Number 86 - 1959
Ernest Orlando Lawrence [1901- 1958]
Number 87 - 1960
Other publications
Rotarian - January , 1936 Silver Anniversary Edition
Hygeia - January, 1934
St. Francis hospital in Evanston, Illinois - patient handbook.
The image is taken from a painting that Mr. Montgomery painted for the hospital.
Chief Blackhawk of the Sauk Tribe - Baraboo, Wisconsin
​This is a geological training pamphlet for the Soiltest, Inc. facility in Sauk County, Wisconsin - 1964
Subsidiary of the Cenco Instruments Corporation.
Abe Wood - First permanent settler in Baraboo, Wisconsin.
Taken from a Soiltest, Inc. publication - 1964