With this picture, someone accomplished something. Who/What?

Cracked by:
Logik, dineshk, Raghuvansh, Goyal, Dibyo, udupendra, jowens, N@ngA and Rogi

Little known co-founders of a very well known company. Which?

Cracked by: shrey, jowens, Dibyo, shenoyvarun86, Ananth, Bharath, N@ngA, Shwetha Maiya, Rogi, Sumanth Patlolla, Raghuvansh, Anirudh Patil, kallukudian, Manish Achuth, mankuTimma, Nihar, udupendra, lanu, Thejas V R, Rahulk, Saurabh, Treyambak Madyalkar, krudebox, Logik, username, shrik, dineshk, SV, Qbrain, Madhuri, Nanda, BLUDUGA, Vardhan Shenoy, Rahul Rajeev, Kriti Kalwad, bluegem4 and Aparna

Guest question from udupendra %gqh%. Tumba Thanksu!

What is it? What algorithm does it use?

Cracked by: jowens, Shwetha Maiya, shrik, Logik, Rogi, Sumanth Patlolla, Dibyo, N@ngA, udupendra, Thejas V R, krudebox and dineshk