Eric Walker added a number of topics to Scientists, researchers and academics, and added Scientists, researchers and academics to People

Eric Walker added Oceanographers to Oceanography, and added Oceanography to Earth's oceans and seas

Eric Walker added Exploring the Oceans by Remote Control | The New Yorker to Melissa Omand, and added Melissa Omand to Oceanographers

Eric Walker added Melissa Omand to Oceanographers, and added Oceanographers to Oceanography and Scientists, researchers and academics