| Era | Alternate timeline |
| Born | 1860, New Rotterdam |
| Died | 1947, (aged 87) |
| Home | The Netherlands |
| Career | Physicist |
| Fields | Physics • Quantum mechanics |
| Region | New Rotterdam |
| Spouse | Marie Merck (m. 1887) |
| Children | Karl Planck • Emma Planck • Grete Planck • Erwin Planck |
| Known for | Quantum foundations |
| Residence | New Rotterdam |
| Alma mater | |
| Nationality | Dutch |
| Doctoral advisor | |
| Scientific career |
