Analysis of information sources in references of the Wikipedia article "John D. Strong" in English language version.
John Donovan Strong, an astronomer who was a professor at Johns Hopkins University before moving to the University of Massachusetts in Amherst, died of cancer Saturday [21 March] at a nursing home in Amherst. He was 87.
John D. Strong, a scientist and inventor who discovered water vapor on Venus and advanced the development of telescope mirrors and other optical devices, died on Saturday at the Amherst Nursing Home in Amherst, Mass. He was 87 years old. He died of pancreatic cancer, his family said.
John Donovan Strong was born in Riverdale, Kansas, on 15 January 1905.
John Donovan Strong, an astronomer who was a professor at Johns Hopkins University before moving to the University of Massachusetts in Amherst, died of cancer Saturday [21 March] at a nursing home in Amherst. He was 87.
John D. Strong, a scientist and inventor who discovered water vapor on Venus and advanced the development of telescope mirrors and other optical devices, died on Saturday at the Amherst Nursing Home in Amherst, Mass. He was 87 years old. He died of pancreatic cancer, his family said.
