Tulsa Area United Way - It's World Smile Day!!! Harvey Ball, a commercial artist from Worcester, Massachusetts, created the smiley face in 1963. That image went on to become the most recognizable
![Application of Harvey ball analysis to evaluate the results of the wt... | Download Scientific Diagram Application of Harvey ball analysis to evaluate the results of the wt... | Download Scientific Diagram](https://www.researchgate.net/publication/5816006/figure/fig5/AS:601674540388362@1520461797139/Application-of-Harvey-ball-analysis-to-evaluate-the-results-of-the-wt-and-six-mutations.png)
Application of Harvey ball analysis to evaluate the results of the wt... | Download Scientific Diagram
![Día de la sonrisa 2018: La curiosa historia de Harvey Ball, el diseñador del icono de la cara sonriente Día de la sonrisa 2018: La curiosa historia de Harvey Ball, el diseñador del icono de la cara sonriente](https://okdiario.com/img/2018/10/05/dia-mundial-sonrisa-harvey-ball-smiley-face-655x368.jpg)