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Harry G. Dekker Collection



Biographical Note

Administrative Information

Detailed Description

Letters, thesis, and paintings

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Harry G. Dekker Collection, 1909-1952 | Heritage Hall, Hekman Library

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Collection Overview

Title: Harry G. Dekker Collection, 1909-1952

ID: COLL/052

Primary Creator: Dekker, Harry G. (1887-1980)

Extent: 1.0 Box. More info below.

Arrangement: Folder level description

Subjects: Calvin College. Board of Trustees, Chemistry, Mechanical engineering


Professor of chemistry and registrar at Calvin College. Letters from the Curatorium and Board of Trustees at Calvin; dissertation entitled "Contributions to Chemistry by Holland" and a thesis on mechanical engineering. [See also the Campus Titles Database.]

Biographical Note

Son of Abram and Hendrika Dekker, Harry G. Dekker was born in Roseland, Chicago on March 15, 1887. Dekker graduated from Amour Institute of Technology in 1909, earning a B.S. degree in Chemistry. After graduation, Dekker went into private business until 1914 where he began teaching at Chicago area high schools.

In 1920, Dekker went on to become principal and a chemistry teacher at Holland Christian High. However, it was not long until Dekker accepted a faculty position at Calvin College. In 1921, he became professor of chemistry and in 1922 as registrar. In the meantime, Dekker received his M.S. degree from the University of Chicago in 1928. Due to increasing enrollment at Calvin, Dekker became a full-time registrar for the college in 1951. After a 37-year career at Calvin, Dekker retired.

On a personal level Harry G. Dekker was a both a churchman and a family man. The Dekkers attended the Neland Avenue Church. Dekker served as an elder as well as president of the Young Men’s Society for several years. In 1915, Dekker married Mae Kleinhuizen. Together they had four children-Mary Dekker Hall, Ahleen Dekker Heynen, Charles Dekker, and Doris Dekker Smedes. After 55 years of marriage, Mae passed away on March 3, 1970. Ten years later, Dekker also passed away in June of 1980. He was survived by his four children, 16 grandchildren, and 11 great-grandchildren.

Subject/Index Terms

Calvin College. Board of Trustees
Mechanical engineering

Administrative Information

Repository: Heritage Hall, Hekman Library

Alternate Extent Statement: 0.50 cubic ft.

Acquisition Source: Gift of H.G. Dekker

Box and Folder Listing

Browse by Series:

[Series 1: Letters, thesis, and paintings, 1909-1952],

Series 1: Letters, thesis, and paintings --- 1909-1952
Box 1
Folder 1: Letters from the Curatorium and Board of Trustees of Calvin from the files of Professor Harry G. Dekker --- 1921-1952
Folder 2: Thesis: The Effect in Economy of an Automobile Engine of Varying the Igniter and Fuel Valve Opening --- May 27, 1909
Folder 3: Paintings, reproduction art
Item 1: Bound copy:  Contributions to Chemistry By Holland, dissertation submitted to the graduate faculty in candidacy for the degree of Master of Science --- 1929

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