Late Japanese scientist Nishiwaki

Late Japanese scientist Nishiwaki

TOKYO, Japan - Photo taken in February 2010 shows Japanese biophysicist Yasushi Nishiwaki, a professor emeritus at the University of Vienna, who died in March 2011 at the age of 94.

Japanese scientist letter displayed at atomic museum in Nevada

Japanese scientist letter displayed at atomic museum in Nevada

LAS VEGAS, United States - Photo shows parts of a letter by Japanese biophysicist Yasushi Nishiwaki dated March 17, 1954, with his signature, which has been on display at the Atomic Testing Museum in Las Vegas, Nevada. The late scientist wrote to the chief of the then U.S. Atomic Energy Commission asking for information on how to help Japanese fishermen exposed to high-level radiation due to a U.S. nuclear test at Bikini Atoll on March 1.

Japan biophysicist turns smartphone into microscope

Japan biophysicist turns smartphone into microscope

NAGOYA, Japan - Kuniaki Nagayama, a professor emeritus in biophysics at the National Institute for Physiological Sciences in Okazaki, Aichi Prefecture, central Japan, poses on March 7, 2014, with a smartphone equipped with "Leye," a flat, detachable acrylic lens he has developed to turn the phone into a scientific microscope. On the upper right is a projected image of a fly's leg as seen through the lens.

Japan biophysicist turns smartphone into microscope

Japan biophysicist turns smartphone into microscope

NAGOYA, Japan - A smartphone equipped with "Leye," a flat, detachable acrylic lens developed by Kuniaki Nagayama, a professor emeritus in biophysics at the National Institute for Physiological Sciences in Okazaki, Aichi Prefecture, central Japan, shows an enlarged image of a fly's leg on March 7, 2014.

Biophysicist Nishiwaki dies at 94

Biophysicist Nishiwaki dies at 94

OSAKA, Japan - A 2005 file photo shows Yasushi Nishiwaki, a biophysicist and a professor emeritus at the University of Vienna, who died at the age of 94 on March 27, 2011. Nishiwaki detected and examined nuclear fallout from the Japanese fishing vessel Fukuryu Maru No. 5 following a U.S. hydrogen bomb test in the Bikini Atoll in 1954, which contributed to a mounting antinuclear movement in Europe and elsewhere. (Kyodo)

Late Japanese scientist Nishiwaki

Late Japanese scientist Nishiwaki

TOKYO, Japan - Photo taken in February 2010 shows Japanese biophysicist Yasushi Nishiwaki, a professor emeritus at the University of Vienna, who died in March 2011 at the age of 94. (Kyodo)

Japanese scientist letter displayed at atomic museum in Nevada

Japanese scientist letter displayed at atomic museum in Nevada

LAS VEGAS, United States - Photo shows parts of a letter by Japanese biophysicist Yasushi Nishiwaki dated March 17, 1954, with his signature, which has been on display at the Atomic Testing Museum in Las Vegas, Nevada. The late scientist wrote to the chief of the then U.S. Atomic Energy Commission asking for information on how to help Japanese fishermen exposed to high-level radiation due to a U.S. nuclear test at Bikini Atoll on March 1. (Kyodo)