Martin Oeggerli uses the scanning electron microscope to image invisibly small organisms and biological structures, which he then painstakingly colors to bring out their inherent beauty. The stunning images help us understand the intricacies of nature’s designs and make biology accessible to everyone. 

 Stockholm, 23 June and 13 October 2022

The Lennart Nilsson Award Foundation was established in 1998 in recognition of the world-renowned Swedish photographer Lennart Nilsson and his extraordinary body of work. The main aim is to promote education, training, and research within the medical, biological, and engineering sciences through the use of images. This is achieved through the Lennart Nilsson Award, an international award bestowed annually upon an individual in recognition of outstanding contributions within the realm of scientific photography.


«Dr. Martin Oeggerli is the recipient of the Lennart Nilsson Award 2022 in recognition of his ability to illuminate science and reveal the beauty of the microcosm using the scanning electron microscope.»




The human Microbiome:

Artistic coloration of the microbiome present in a healthy human gut, containing billions of intestinal bacteria. This image has been created using scanning electron microscopy (SEM) in combination with selectively assigning different colors to different bacteria species and structures. 



© Martin Oeggerli 2015, supported by Pathology, University Hospital Basel, HP Marti, Swiss TPH, School of Life Sciences, FHNW. Artist portrait in front of the Karolinska Institutet, Stockholm by Annika Meyer, 13 Oct 2022.


Press Release (Lennart Nilsson Award 2022)

Karolinska Institute, University Stockholm: The Lennart Nilsson Award is awarded to Martin Oeggerli (Article 23 June 2022)

Format: 30x20in (70x50cm) limited edition, 25 pieces: visit artist website

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