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Peter Hegemann was born on 11 December, 1954 in Münster Germany, is a German biophysicist. Discover Peter Hegemann's Biography, Age, Height, Physical Stats, Dating/Affairs, Family and career updates. Learn How rich is he in this year and how he spends money? Also learn how he earned most of networth at the age of 69 years old?

Popular As N/A
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Age 69 years old
Zodiac Sign Sagittarius
Born 11 December, 1954
Birthday 11 December
Birthplace Münster Germany
Nationality Germany

We recommend you to check the complete list of Famous People born on 11 December. He is a member of famous with the age 69 years old group.

Peter Hegemann Height, Weight & Measurements

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He is currently single. He is not dating anyone. We don't have much information about He's past relationship and any previous engaged. According to our Database, He has no children.

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Children 3

Peter Hegemann Net Worth

His net worth has been growing significantly in 2023-2024. So, how much is Peter Hegemann worth at the age of 69 years old? Peter Hegemann’s income source is mostly from being a successful . He is from Germany. We have estimated Peter Hegemann's net worth, money, salary, income, and assets.

Net Worth in 2024 $1 Million - $5 Million
Salary in 2024 Under Review
Net Worth in 2023 Pending
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Timeline

1954

Peter Hegemann (born 11 December 1954) is a Hertie Senior Research Chair for Neurosciences and a professor of Experimental Biophysics at the Department of Biology, Faculty of Life Sciences, Humboldt University of Berlin, Germany.

He is known for his discovery of channelrhodopsin, a type of ion channels regulated by light, thereby serving as a light sensor.

This created the field of optogenetics, a technique that controls the activities of specific neurons by applying light.

He has received numerous accolades, including the Rumford Prize, the Shaw Prize in Life Science and Medicine, and the Albert Lasker Award for Basic Medical Research.

Hegemann was born in Münster in 1954, but grew up in Aachen.

Many in his immediate and extended family are doctors, including his parents, brother, and both grandfathers.

He was educated in a humanities-oriented gymnasium (humanistisches Gymnasium) for secondary school, which he disliked for his lack of interest in classical studies.

He liked science subjects and was at first interested in discovery of new territories and then in the outer space.

1975

Eventually, he went to the University of Münster in 1975 to study chemistry, transferring to the Ludwig Maximilian University of Munich two years later to switch to biochemistry.

1980

After graduating in 1980, Hegemann pursued his PhD at the Max Planck Institute of Biochemistry in the research group of Dieter Oesterhelt, who has just become the Director of the institute.

1984

He completed it in 1984.

A 1984 article by Kenneth W. Foster of Syracuse University suggested that rhodopsins would also serve as light detector in the green alga Chlamydomonas reinhardtii.

This also prompted Hegemann to spend a year with Foster as a postdoctoral fellow.

Hegemann continued characterizing this rhodopsin after returning to Germany.

Working on another green alga, he found that it had a fast electrical response (by ion movement through ion channel) to light stimulation, and proposed that the ion channel and the light-detecting rhodopsin were one single protein complex.

1985

Having won a fellowship for his PhD thesis, Hegemann went to Syracuse University in 1985 as a postdoctoral fellow in Kenneth W. Foster's lab for a year.

After returning to Germany, he was offered a five-year position as a principal investigator at the Max Planck Institute of Biochemistry.

1993

In 1993, Hegemann joined the Department of Biochemistry of the University of Regensburg as a professor.

2002

In 2002, collaborating with Georg Nagel and Ernst Bamberg, Hegemann made the landmark identification of the gene for this rhodopsin and named it Channelrhodopsin-1.

The team identified the second channelrhodopsin gene, Channelrhodopsin-2, the next year.

In both studies, they cloned the genes from Chlamydomonas reinhardtii and expressed them in the oocytes of African clawed frog.

Upon blue light stimulation, electrical currents was detected in the oocytes.

When channelrhodopsins are expressed in neurons and stimulated, the ion channel opens so positively charged calcium and sodium ions can enter the neurons, creating a more positive electric potential inside the neurons and activating them.

This is the opposite effect of halorhodopsin activation.

The field of optogenetics took off from these discoveries.

2004

He moved to the Humboldt University of Berlin in 2004 and became a professor of Experimental Biophysics.

2005

In 2005, Hegemann reported expressing channelrhodopsin in chicken embryos, their movement can be controlled with light stimulation.

This came in the same year as another study by a collaboration between Karl Deisseroth, Edward Boyden, Feng Zhang, Georg Nagel and Ernst Bamberg, which found light could lead to action potential in cultured neurons expressing channelrhodopsin.

Teaming up with Deisseroth, Hegemann continued advancing optogenetics by developing rhodopsin variants that could react faster and more accurately, detect different wavelengths of light and conduct different ions.

Using optogenetic techniques, Hegemann and collaborators have confirmed that the unbalanced activity of excitatory and inhibitory neurons causes behavioral deficits of mental disorders.

2010

• 2010 - Wiley Prize in Biomedical Sciences

2012

• 2012 – Member of the German Academy of Sciences Leopoldina

2013

• 2013 – Gottfried Wilhelm Leibniz Prize

• 2013 – Louis-Jeantet Prize for Medicine

• 2013 – The Brain Prize

2014

• 2014 - Member of the European Molecular Biology Organization

2015

In 2015, he was endowed with a Hertie Senior Research Chair for Neurosciences.

Hegemann's research into light-gated ion transport began in his PhD years, when he investigated the structure and function of halorhodopsin, an active ion transporter found in a type of archaea called haloarchaea that uses light energy to move chloride ions against the gradient.

As part of his PhD project, he characterized this protein in Halobacterium salinarum, discovering that yellow light activates halorhodopsin.

When halorhodopsin is expressed in neurons and activated by light, the influx of chloride ions shifts the neuron to more negative electric potential, preventing action potential generation and inactivating the neurons.