Answer: Count Sergei Lvovich Levitsky invented bellows camera.
Step-by-step explanation: Count Sergei Lvovich Levitsky was a Russian inventor who lived during the 19th century and greatly contributed to the world of photography. In 1847, he invented a bellows camera which allowed to improve the process of focusing and inspired the design of other cameras. Moreover, He was awarded a gold medal in 1849 for his landscape photography and another gold medal for his portraits in 1851.