1

Evan Williams

Engineers

2

Nikola Tesla

Engineers

3

Jerry Yang

Engineers

4

Galileo Galilei

Engineers

5

Sundar Pichai

Engineers

6

Mo Ibrahim

Engineers

7

José Napoleón Duarte

Engineers

8

Jack Dorsey

Engineers

9

Ma Huateng

Engineers

10

Kai-Fu Lee

Engineers

11

Kate Gleason

Engineers

12

Eric Schmidt

Engineers

13

Fazlur Rahman Khan

Engineers

14

Jeff Bezos

Engineers

15

George Reginald Starr

Engineers

16

M. Visvesvaraya

Engineers

17

Daniel Fredinburg

Engineers

18

Anthony Fokker

Engineers

19

John Smeaton

Engineers

20

Godfrey Hounsfield

Engineers

21

Herman Potočnik

Engineers

22

John Rennie the Elder

Engineers

23

Jan Koum

Engineers

24

Ray Tomlinson

Engineers