The crash was solved after three years of dogged work that included extensive computer and laboratory analysis.

After nine years of dogged work in the M.I.T. laboratories, this persistent organic chemist finally solved one of chemistry's most baffling problems at the time.

But the tenacious traditional farmers who remain, including some whose families have farmed the North Fork for more than 300 years, have relied on a variety of strategies and crops plus dogged hard work.

Friends say he was born for this kind of dogged work.

He was dubbed "St. John" by environmental advocates for his dogged work on environmental issues.

But it began with tedium: months of dogged, thankless work.

I welcome Mr Perry's dogged work on behalf of those petitioners, and confirm that my Group will support the report.

Mr President, I should like to thank Mrs Smet for her very dogged and persistent work on women's rights.

But after dogged investigative work by detectives, as well as by Mr. Waples and Mr. LaBelle, his former colleague, 380 items of circumstantial evidence were amassed.

PAGE 3 Saving the World's Children The dogged work of one official to protect children from war has led the United Nations to place a new focus on children's rights.