page_title: Jacob Matijevic
hierarchical_section_title: Jacob Matijevic
caption_attribution_description: English: This image shows where NASA's Curiosity rover aimed two different instruments to study a rock known as "Jake Matijevic." The red dots are where the Chemistry and Camera (ChemCam) instrument zapped it with its laser on Sept. 21, 2012, and Sept. 24, 2012, which were the 45th and 48th sol, or Martian day of operations. The circular black and white images were taken by ChemCam to look for the pits produced by the laser. The purple circles indicate where the Alpha Particle X-ray Spectrometer trained its view. This image was obtained by Curiosity's Mast Camera on Sept. 21, 2012 PDT (Sept. 22 UTC), or sol 46. Scientists white-balanced the color in this view to increase the inherent differences visible within the rock. Polski: Zdjęcie to, pokazuje gdzie należący do NASA łazik Curiosity skierował dwa różne instrumenty, aby studiować skałę zwaną "Jake Matijevic". Czerwone kropki wskazują punkty, w które urządzenie (ChemCAM) skierowało wiązkę lasera w dniach 21 września 2012 roku i 24 września 2012, a były to 45 i 48 sol, lub 45 i 48 dzień operacji łazika Curiosity. Purpurowe koła wskazują, gdzie Alpha Particle X-ray Spectrometer trenował praktycznie swoje operacje. Niebieski kolor skały nie jest kolorem prawdziwym, naukowcy ustawili balans bieli zdjęcia na tym poziomie, aby podkreślić i zwiększyć różnice tkwiące we wzorze skały.
context_page_description: Jacob Matijevic, also known as "Jake" Matijevic, was an American NASA engineer of Croatian origin who worked on Mars Exploration Rovers. Dr. Matijevic was involved in developing the "Sojourner", "Spirit", "Opportunity" and "Curiosity" rovers. For his contributions to the rover projects, NASA named several landmarks on the planet Mars after him.
  Dr. Matijevic was born and grew up in Chicago, Illinois and graduated from Mount Carmel High School. In 1969, he received a bachelor's degree in mathematics from the Illinois Institute of Technology, and, in 1973, earned a Ph.D. degree in mathematics from the University of Chicago under the supervision of Irving Kaplansky.
  In 1981, Dr. Matijevic began working at the Jet Propulsion Laboratory in Pasadena, California, as a control systems engineer. In 1986, he worked in the telerobotics field and later, in 1992, began work with the Mars "Sojourner" rover. This rover was delivered to Mars by the Pathfinder spacecraft in 1996.
  Afterwards, Dr. Matijevic helped develop the "Spirit" and "Opportunity" rovers that began exploring Mars in 2004.
context_section_description: Jacob (Richard) Matijevic, also known as "Jake" Matijevic, (3 November 1947 – 20 August 2012) was an American NASA engineer of Croatian origin who worked on Mars Exploration Rovers.  Dr. Matijevic was involved in developing the "Sojourner", "Spirit", "Opportunity" and "Curiosity" rovers.  For his contributions to the rover projects, NASA named several landmarks on the planet Mars (including "Matijevic Hill" and "Jake Matijevic" rock) after him.
  Dr. Matijevic was born and grew up in Chicago, Illinois and graduated from Mount Carmel High School.  In 1969, he received a bachelor's degree in mathematics from the Illinois Institute of Technology, and, in 1973, earned a Ph.D. degree in mathematics from the University of Chicago under the supervision of Irving Kaplansky.
  In 1981, Dr. Matijevic began working at the Jet Propulsion Laboratory (JPL) in Pasadena, California, as a control systems engineer. In 1986, he worked in the telerobotics field and later, in 1992, began work with the Mars "Sojourner" rover. This rover was delivered to Mars by the Pathfinder spacecraft in 1996.
  Afterwards, Dr. Matijevic helped develop the "Spirit" and "Opportunity" rovers that began exploring Mars in 2004.  He also helped develop the "Curiosity" rover that landed on Mars in August 2012, just two weeks before his death.
  After his death, NASA decided to name a Mars hill, "Matijevic Hill", encountered by the "Opportunity" rover, and also a Mars rock, "Jake Matijevic", encountered by the "Curiosity" rover, in his honor for his many contributions to the Mars rover projects over the years.
caption: "Jake Matijevic" rock on Mars - a target of the APSX and ChemCam instruments on the Curiosity rover (September 22, 2012).
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