ArticleslgStudy

chemistry

Hans-Joachim Born

Hans-Joachim Born is a chemistry topic covered in the lgStudy science library. This page brings together a partial reference excerpt, illustrations, worked examples, real-world applications and a short study plan, so you can understand Hans-Joachim Born rather than just read about it. In short: Hans-Joachim Born (8 May 1909 – 15 April 1987), was a German radiochemist and a professor of chemistry at the Technical University of Munich who was one of the senior German nuclear scientists in the Soviet program of nuclear weapons, and later his research was used in the Soviet program of biological weapons. Until the end of the World War II, Born was a professional colleague of Soviet biologist, Nikolay Timofeev…

Key takeaways

  • Hans-Joachim Born belongs to chemistry; place it in that map before memorising details.
  • Learn the definition first, then one example that makes the definition concrete.
  • Connect Hans-Joachim Born to a quantity you can measure, compute or draw — that is where exam questions come from.
  • Reproduce the core statement of Hans-Joachim Born from memory before moving on to harder problems.

Reference excerpt

Hans-Joachim Born (8 May 1909 – 15 April 1987), was a German radiochemist and a professor of chemistry at the Technical University of Munich who was one of the senior German nuclear scientists in the Soviet program of nuclear weapons, and later his research was used in the Soviet program of biological weapons. Until the end of the World War II, Born was a professional colleague of Soviet biologist, Nikolay Timofeev-Ressovsky, where he investigated the genome and genetic structures. After taken into the Soviet custody and held in Russia where he first worked at the Plant No. 12 in Ehlektrostal’, but later posted at the Laboratory B in Singul' to work on radiation biochemistry under Timofeev-Ressovsky in 1947. After accepting a teaching position in 1955, Born was returned to Germany and settled in Dresden (later Munich) where he pioneered studies in advancing the field of radiochemistry.

Biography Born was born in Berlin on 8 May 1909, and attended the Friedrich Wilhelm University of Berlin and University of Tübingen where he graduated with degrees in chemistry. He went on to attend the doctoral program in chemistry at the University of Jena under radiochemist Otto Hahn and did his fundamental research at the Kaiser Wilhelm for Chemistry. In 1935, he was awarded his doctorate in radiochemistry on the topics of the lead content of the North German salt deposits and its relationship to radioactive questions. During his university years, Born was a supporter of the Nazi Party and member of its paramilitary wing, the Storm Troopers, and also held membership of the German Labour Front.

Career

In Germany Born worked at the Kaiser-Wilhelm-Institut für Hirnforschung (KWIH, Kaiser Wilhelm Institute for Brain Research) of the Kaiser-Wilhelm Gesellschaft, in Berlin-Buch. At the KWIH, he was in Nikolaj Vladimirovich Timofeev-Resovskij's Abteilung für Experimentelle Genetik (Department for Experimental Genetics), a world-renowned department with the status of an institute. At the KWIH, Born examined the distribution of Radionuclides in the organs of rodents, and he also worked with fission products from research programs conducted under Nikolaus Riehl, scientific director of the Auergesellschaft, who was a participant in the German nuclear energy project Uranverein. What happened to Born after the Russians entered Berlin, at the close of World War II, is best understood in the context of his colleague Karl Zimmer at the KWIH, who also had a professional relationship with Nikolaus Riehl at the Auergesellschaft. At the close of World War II, Russia had special search teams operating in Austria and Germany, especially in Berlin, to identify and "requisition" equipment, materiel, intellectual property, and personnel useful to the Soviet atomic bomb project. The exploitation teams were under the Russian Alsos, and they were headed by Lavrenij Beria's deputy, Colonel General A. P. Zavenyagin. These teams were composed of scientific staff members, in NKVD officer's uniforms, from the bomb project's only laboratory, Laboratory No. 2, in Moscow. In mid-May 1945, the Russian nuclear physicists Georgy Flerov and Lev Artsimovich, in NKVD colonel's uniforms, compelled Zimmer to take them to the location of Riehl and his staff, who had evacuated their Auergesellschaft facilities and were west of Berlin, hoping to be in an area occupied by the American or British military forces. Riehl was detained at the search team's facility in Berlin-Friedrichshagen for a week. This sojourn in Berlin turned into 10 years in the Soviet Union! Riehl and his staff, including their families, were flown to Moscow on 9 July 1945. Riehl was to head up a group at Plant No. 12 in Ehlektrostal’ (Электросталь).

… excerpt ends here. Continue reading the full article.

Worked examples

Example 1 — a first encounter with Hans-Joachim Born

Start with the simplest possible case. Write down what Hans-Joachim Born claims or describes in one sentence, then invent the smallest concrete situation in which that sentence is true. In chemistry, the smallest case is usually a single object, a single equation or a single measurement. Check that every symbol or term in your sentence has a meaning in that case.

Example 2 — changing one variable

Take the situation from Example 1 and change exactly one quantity: double it, halve it, or set it to zero. Predict what should happen to Hans-Joachim Born before you calculate. Comparing your prediction with the result is the fastest way to find out whether you understand the idea or only the words.

Example 3 — an exam-style question

Typical questions about Hans-Joachim Born ask you to (a) state it precisely, (b) apply it to given data, and (c) explain a limitation. Practise writing all three answers in under five minutes; the third part is what separates a full-mark answer from an average one.

Applications of Hans-Joachim Born

In research
Hans-Joachim Born appears in chemistry research whenever the underlying quantities have to be modelled precisely. Papers usually cite it as a starting assumption and then explore where it breaks down.
In technology and industry
Engineering practice reuses Hans-Joachim Born in design rules, simulations and safety margins. Knowing the idea lets you read a specification sheet and understand why the numbers look the way they do.
In the classroom
Hans-Joachim Born is common in secondary-school and first-year university syllabi. It links to neighbouring topics 1909 births, 1987 deaths, 20th-century German chemists, so understanding it makes those chapters shorter.
In everyday life
Look for Hans-Joachim Born outside the textbook — in sport, cooking, traffic, electronics or the sky above you. An example you found yourself is remembered far longer than one you were given.
Ask Teacher Smith questions about this articleOpens your AI tutor with a question about “Hans-Joachim Born” →

Affiliate

Preply — study more efficiently by working with a personal tutor. 50% off.

How to study Hans-Joachim Born in 20 minutes

  1. Read the reference excerpt below once, without taking notes.
  2. Close the page and write down what Hans-Joachim Born means in your own words.
  3. Compare your version with the excerpt and mark what you missed.
  4. Work through the three examples above with pen and paper.
  5. Explain Hans-Joachim Born out loud to somebody else — or to Teacher Smith in the lgStudy chat.

Frequently asked questions

What is Hans-Joachim Born in simple terms?

Hans-Joachim Born (8 May 1909 – 15 April 1987), was a German radiochemist and a professor of chemistry at the Technical University of Munich who was one of the senior German nuclear scientists in the Soviet program of nuclear weapons, and later his research was used in the Soviet program of biologi…

Why does Hans-Joachim Born matter?

Because it connects several chemistry ideas at once: it gives you a definition you can apply, a quantity you can calculate, and a way to check whether a result is plausible.

How should I study Hans-Joachim Born?

Read the excerpt, restate it from memory, then work through the examples and applications listed on this page. The five-step study plan above takes about twenty minutes.

What does this page cover?

It gives you a compact reference excerpt plus original lgStudy explanations, examples, applications and study material on Hans-Joachim Born.

Tags

  • 1909 births
  • 1987 deaths
  • 20th-century German chemists
  • Academic staff of TU Dresden
  • Academic staff of the Technical University of Munich
  • German chemists
  • German expatriates in the Soviet Union
  • Humboldt University of Berlin alumni
  • Members of the German Academy of Sciences at Berlin
  • Nuclear weapons program of the Soviet Union people
  • Radiation health effects researchers
  • Scientists from Berlin

Keep exploring