okay in our final video we're going to take a closer look at some of the people that have big impact on Modern computing the first one we mentioned a little bit earlier was Charles Babbage he's widely considered to be the father of computers based on his analytical engine which he developed back in 1834 as we mentioned earlier he never really built it but it laid a lot of Foundations a lot of key Concepts which we will study later in this course like Ram the arithmetic logic unit or ALU and control unit they all came from the analytical engine next is Ada Lovelace also known as the Countess of a love release she's considered to be the first programmer her contribution was that she was one of the first people to realize that computers can go beyond just pure calculations and she based a lot of her work and her design off of Charles babbage's uh analytical engine next we have Alan Turing he's really a real modern day Hero World War II hero his work was crucial because he broke the German code called Enigma which is how the Germans used to communicate back and forth during World War II and was believed impossible to be broken and he broke it thus allowing us to read what they were doing and understand what they were planning ahead of time and helping the Allies win the war he's very influential in the development of theoretical computer science as a matter of fact he developed that turing machine which we talked about which is the abstract model which all modern computers are based on and based on his work he's considered to be the father of theoretical computer science next is Grace Harper she's a Navy naval officer she was a naval officer she developed some important software called a compiler a compiler is a program that programmers use to translate their high level programming languages things that we can read in English down to the binary code that machines need to use to be able to execute their program so it's a varying piece of important piece of software that all programmers use she was also noted for coding the phrase a bug way back um in the day a lot of the Computing devices were mechanical they had relays which clicked back and forth so one of her programs wasn't working and she could hear that the relay wasn't clicking properly and when she looked sure enough a bug got stuck between the relay and got crushed to death and that bug was stopping the program from working so she removed the bug or debugged her program and then it worked properly so the the phrase a bug in the program comes from that actual insect being crushed by one of her programs Nexus Jack Kilby his claim the fame is that he invented the integrated circuit while working at Texas at Texas Instruments this was that circuit that brought us to the uh third generation of computers which allowed more transistors to be packed in the tightest space and improved performance next on our list is Vin Kurth and Robert Kahn these gentlemen helped develop or developed tcpip which is the critical protocol that allows the internet to work and as a result of their work or his work in particular uh kerth was is considered to be the father of the internet because TS tcpip is that important to how it actually works next we have Steve Jobs and Steve Wozniak most of you probably already know them the founders of Apple again their apple II was the one that really made a difference that's keyboard monitored made PCS practical and that allowed the PC boom to really start moving because they showed the way they also introduced the Mac like we mentioned earlier introducing that GUI interface in the mouse which now just about every computer uses a GUI interface for personal purposes and then finally we have some folks you might know Bill Gates and Paul Allen and like I mentioned earlier uh gate started off writing uh programs for the altar that the first PC and they eventually wound up founding Microsoft and developing some things you might know of as Ms daswell that's back in the day but windows and office are some of their key products so that's it for people in computer history we're now going to move on to the next module which will be data processing