Neuropathologist John Trojanowski Dies at 75

His work was pivotal to understanding the mechanisms of neurodegenerative diseases, particularly Alzheimer’s and Parkinson’s.

Written byLisa Winter
| 2 min read
Bespectacled man wearing black shirt with arms folded looks at camera in front of lab cabinet
Register for free to listen to this article
Listen with Speechify
0:00
2:00
Share

Famed neuropathologist John Trojanowski, whose work uncovered the mechanisms of neurodegenerative diseases such as Alzheimer’s and Parkinson’s disease, died in Philadelphia on February 8. Trojanowski was on life support after a fall left him paralyzed and complications set in. He was 75.

Trojanowski was born in Bridgeport, Connecticut, in 1946, but he didn’t stay there long. The New York Times reports that his father was in the military, and the family of nine would relocate every few years across the United States and in Germany. This nomadic way of life continued after Trojanowski’s birth and, after attending a few different schools, he graduated with a BA in German Studies from King’s College in Wilkes-Barre, Pennsylvania, in 1970. He then completed an MD/PhD program at Tufts University in 1976.

After graduation, he did an internship at Harvard University that taught him about neuropathology. During this time, he met a postdoc named ...

Interested in reading more?

Become a Member of

The Scientist Logo
Receive full access to more than 35 years of archives, as well as TS Digest, digital editions of The Scientist, feature stories, and much more!
Already a member? Login Here

Related Topics

Meet the Author

  • Lisa joined The Scientist in 2017. As social media editor, some of her duties include creating content, managing interactions, and developing strategies for the brand’s social media presence. She also contributes to the News & Opinion section of the website. Lisa holds a degree in Biological Sciences with a concentration in genetics, cell, and developmental biology from Arizona State University and has worked in science communication since 2012.

    View Full Profile
Share
Image of a woman with her hands across her stomach. She has a look of discomfort on her face. There is a blown up image of her stomach next to her and it has colorful butterflies and gut bacteria all swarming within the gut.
November 2025, Issue 1

Why Do We Feel Butterflies in the Stomach?

These fluttering sensations are the brain’s reaction to certain emotions, which can be amplified or soothed by the gut’s own “bugs".

View this Issue
Olga Anczukow and Ryan Englander discuss how transcriptome splicing affects immune system function in lung cancer.

Long-Read RNA Sequencing Reveals a Regulatory Role for Splicing in Immunotherapy Responses

Pacific Biosciences logo
Research Roundtable: The Evolving World of Spatial Biology

Research Roundtable: The Evolving World of Spatial Biology

Conceptual cartoon image of gene editing technology

Exploring the State of the Art in Gene Editing Techniques

Bio-Rad
Conceptual image of a doctor holding a brain puzzle, representing Alzheimer's disease diagnosis.

Simplifying Early Alzheimer’s Disease Diagnosis with Blood Testing

fujirebio logo

Products

Labvantage Logo

LabVantage Solutions Awarded $22.3 Million U.S Customs and Border Protection Contract to Deliver Next-Generation Forensic LIMS

The Scientist Placeholder Image

Evosep Unveils Open Innovation Initiative to Expand Standardization in Proteomics

OGT logo

OGT expands MRD detection capabilities with new SureSeq Myeloid MRD Plus NGS Panel