Arantxa Sánchez Vicario and Bob Lutz, have which mutual occupation?
Arantxa Sánchez Vicario Aránzazu Isabel María "Arantxa" Sánchez Vicario (] ; born 18 December 1971) is a Spanish former World No. 1 professional tennis player. She won four Grand Slam singles titles, six Grand Slam women's doubles titles, and four Grand Slam mixed doubles titles. In 1994 she was crowned the ITF World Champion for the year.
Ariel Lugo Ariel E. Lugo is a scientist, ecologist and Director of the International Institute of Tropical Forestry (IITF) within the USDA United States Forest Service, based in Puerto Rico. He is a founding member of the Society for Ecological Restoration and Member-at-Large of the Board of the Ecological Society of America.