chef ken oringer, thank you so much. ng.com. >>> the materials that added color to paint, meet the london based artist who is keeping rare and precious pigments alive. you're watching "cbs this morning saturday." >>> what does it mean to be named number one in the world? >> it's a big deal of course. and it's a great encouragement for the team that strive every day for excellence. and we are celebrating because we don't take awards for granted. and it's something very special. >> you know, chef, what you have achieved is so remarkable. but also not only just for one year, your ability to do this for so many years, to achieve that level of excellence, what do you attribute that to? >> you have to surround yourself with people who are loyal. who are very good at what they do. who are passionate and when you have a good team like that, in a dining room of course and in a kitchen and everywhere actually, in offices everywhere, the first experience is when you go to the restaurant. somebody has to be nice to you. you don't wan