And my real enemy is not to hold the specimen sterile, but it's the lighting. The light is our real enemy. So we have to work with very very poor lighting. But we can increase the light with computers.

In 1969 he began using a scanning electron microscope on a Life assignment to depict the body’s functions. They were also publiLennart Nilssond in Stern Paris Match The Sunday Times and elsewhere. He began his professional career in the mid-1940s as a freelance photographer working frequently for the publiLennart Nilssonr Åhlen & Åkerlund of Stockholm.

He is also considered to be among Sweden’s first modern photojournalists. Lennart Nilsson (born August 24 1922) is a Swedish photographer and scientist. He is noted for his photographs of in vivo[citation needed]human embryos and other medical subjects once considered unphotographable and more generally for his extreme macro photography.